The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A060031

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A060031

Katydid sequence: closed under n -> 2n + 2 and 7n + 7.
(history; published version)

#8 by N. J. A. Sloane at Fri Dec 15 17:34:55 EST 2017

AUTHOR

_Jason Earls (zevi_35711(AT)yahoo.com), _, Mar 17 2001

Discussion

Fri Dec 15

17:34

OEIS Server: https://oeis.org/edit/global/2722

#7 by Charles R Greathouse IV at Thu Oct 11 10:14:08 EDT 2012

LINKS

C. A. Pickover, "Wonders of Numbers, Adventures in Mathematics, Mind and Meaning," <a href="http://www.emis.de/cgizentralblatt-bin/zmenmath.org/ZMATHzmath/en/quick.htmlsearch/?first=1&maxdocs=3&typeq=html&an=:0983.00008&format=complete">Zentralblatt review</a>

Discussion

Thu Oct 11

10:14

OEIS Server: https://oeis.org/edit/global/1834

#6 by N. J. A. Sloane at Thu Nov 11 07:34:06 EST 2010

LINKS

C. A. Pickover, "Wonders of Numbers, Adventures in Mathematics, Mind and Meaning," <a href="http://www.emis.de/cgi-bin/zmen/ZMATH/en/quick.html?first=1&maxdocs=3&type=html&an=0983.00008&format=complete">Zentralblatt review</a>

KEYWORD

nonn,new

nonn

#5 by N. J. A. Sloane at Fri Jan 09 03:00:00 EST 2009

KEYWORD

nonn,new

nonn

AUTHOR

Jason Earls (jcearlszevi_35711(AT)cableoneyahoo.netcom), Mar 17 2001

#4 by N. J. A. Sloane at Wed Sep 22 03:00:00 EDT 2004

KEYWORD

nonn,new

nonn

AUTHOR

Jason Earls (jcearls(AT)4grccableone.comnet), Mar 17 2001

#3 by N. J. A. Sloane at Sat Jun 12 03:00:00 EDT 2004

KEYWORD

nonn,new

nonn

AUTHOR

Jason Earls (jcearls(AT)kskc4grc.netcom), Mar 17 2001

#2 by N. J. A. Sloane at Thu Feb 19 03:00:00 EST 2004

LINKS

KEYWORD

nonn,new

nonn

#1 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003

NAME

Katydid sequence: closed under n -> 2n + 2 and 7n + 7.

DATA

1, 4, 10, 14, 22, 30, 35, 46, 62, 72, 77, 94, 105, 126, 146, 156, 161, 190, 212, 217, 252, 254, 294, 314, 324, 329, 382, 426, 436, 441, 506, 510, 511, 546, 590, 630, 650, 660, 665, 742, 766, 854, 874, 884, 889, 1014, 1022, 1024, 1029, 1094, 1099, 1134, 1182

OFFSET

1,2

REFERENCES

C. Pickover, Wonders of Numbers, Chap. 67 Katydid sequences, Oxford University Press, NY 2001, p. 164-165.

CROSSREFS

Cf. A007319.

KEYWORD

nonn

AUTHOR

Jason Earls (jcearls(AT)kskc.net), Mar 17 2001

EXTENSIONS

Corrected and extended by Larry Reeves (larryr(AT)acm.org), Apr 20 2001

STATUS

approved