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A136746
G.f.: (z^12+1-z^11-z^10+z^8-z^6+z^5-z^3+z)/((z+1)*(z-1)^2).
1
1, 2, 3, 3, 4, 5, 5, 6, 7, 8, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 30, 30, 31, 31, 32, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37, 38, 38, 39, 39, 40, 40
OFFSET
0,2
COMMENTS
Simon Plouffe conjectured in 1992 that this is a g.f. for A003003 - it is not.
LINKS
Simon Plouffe, Approximations de séries génératrices et quelques conjectures, Dissertation, Université du Québec à Montréal, 1992; arXiv:0911.4975 [math.NT], 2009.
Simon Plouffe, 1031 Generating Functions, Appendix to Thesis, Montreal, 1992
CROSSREFS
Sequence in context: A258703 A067022 A113818 * A003003 A356988 A248186
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Apr 07 2008
STATUS
approved