The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A019437

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A019437

a(n) = a(n-1)!/a(n-2)!; a(0) = 1, a(1) = 3.
(history; published version)

#6 by Russ Cox at Fri Mar 30 16:46:30 EDT 2012

AUTHOR

_N. J. A. Sloane (njas(AT)research.att.com), _, Dec 21 2001

Discussion

Fri Mar 30

16:46

OEIS Server: https://oeis.org/edit/global/110

#5 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

KEYWORD

nonn,new

nonn

AUTHOR

N. J. A. Sloane (njas, (AT)research.att.com), Dec 21 2001

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

NAME

Period of repeating digits of 1/n in base 4.

a(n) = a(n-1)!/a(n-2)!; a(0) = 1, a(1) = 3.

DATA

1, 1, 1, 1, 2, 1, 3, 1, 3, 2, 5, 1, 6, 3, 2, 1, 4, 3, 9, 2, 3, 5, 11, 1, 10, 6, 9, 3, 14, 2, 5, 1, 5, 4, 6, 3, 18, 9, 6, 2, 10, 3, 7, 5, 6, 11, 23, 1, 21, 10, 4, 6, 26, 9, 10, 3, 9, 14, 29, 2, 30, 5, 3, 1, 6, 5, 33, 4, 11, 6, 35, 3, 9, 18, 10, 9, 15, 6, 39, 2, 27, 10, 41, 3, 4, 7, 14, 5, 11, 6, 6, 11, 5

1, 3, 6, 120, 9290976268679343135539052852903295259378814351580596958743987989307824385062448596342880785099979140705774497073908459100742234151955724805414557103318958341618000723968000000000000000000000000000

OFFSET

1,5

0,2

KEYWORD

nonn,base,new

nonn

AUTHOR

dww

njas, Dec 21 2001

#3 by N. J. A. Sloane at Mon May 08 03:00:00 EDT 2000

KEYWORD

nonn,base,new

AUTHOR

[email protected]

dww

#2 by N. J. A. Sloane at Sun Jun 14 03:00:00 EDT 1998

REFERENCES

KEYWORD

nonn,base,new

AUTHOR

wilson@dalek.ctron.com

#1 by N. J. A. Sloane at Wed Dec 11 03:00:00 EST 1996

NAME

Period of repeating digits of 1/n in base 4.

DATA

OFFSET

1,5

REFERENCES

KEYWORD

nonn,base

AUTHOR

[email protected]

STATUS

approved