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Revision History for A008932

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Showing entries 1-10 | older changes
Number of increasing sequences of Goldbach type of length n; a(0) = 1 by convention.
(history; published version)
#27 by Alois P. Heinz at Thu Apr 19 15:02:12 EDT 2018
STATUS

proposed

approved

#26 by Sean A. Irvine at Thu Apr 19 14:48:01 EDT 2018
STATUS

editing

proposed

#25 by Sean A. Irvine at Thu Apr 19 14:47:48 EDT 2018
DATA

1, 1, 2, 5, 17, 65, 292, 1434, 7875, 47098, 305226, 2122983, 15752080, 124015310, 1031857395, 9041908204, 83186138212

EXTENSIONS

a(15)-a(16) from Sean A. Irvine, Apr 19 2018

STATUS

approved

editing

#24 by Charles R Greathouse IV at Mon Sep 28 23:41:57 EDT 2015
STATUS

editing

approved

#23 by Charles R Greathouse IV at Mon Sep 28 23:41:54 EDT 2015
PROG

!n & & return(1);

!polcoeff(pol2, i) & & break; );

a } \\ code from __Martin Fuller_, Jun 01 2010

STATUS

approved

editing

#22 by Alois P. Heinz at Mon Dec 29 15:42:41 EST 2014
STATUS

editing

approved

#21 by Alois P. Heinz at Mon Dec 29 15:42:32 EST 2014
COMMENTS

From David S. Newman, Feb 17 2009: (Start)

Comment from David Newman, Feb 17 2009: (Start) This sequence also arises in the following way.

The largest value for each term in any increasing basis is given by A123509. - _Martin Fuller, _, Jun 01 2010

EXTENSIONS

a(9) - a(14) from Martin Fuller, Feb 18 2009

STATUS

approved

editing

#20 by N. J. A. Sloane at Thu Apr 03 11:37:44 EDT 2014
PROG

a } \\ code from _Martin Fuller, _, Jun 01 2010

Discussion
Thu Apr 03
11:37
OEIS Server: https://oeis.org/edit/global/2138
#19 by N. J. A. Sloane at Thu Apr 03 11:35:03 EDT 2014
EXTENSIONS

a(9) - a(14) from _Martin Fuller (martin_n_fuller(AT)btinternet.com), _, Feb 18 2009

Discussion
Thu Apr 03
11:35
OEIS Server: https://oeis.org/edit/global/2137
#18 by N. J. A. Sloane at Mon Oct 07 20:41:27 EDT 2013
STATUS

proposed

approved