a(n) = a(n-1)+a(n-3)+a(n-4).
1, 1, 1, 2, 4, 6, 9, 15, 25, 40, 64, 104, 169, 273, 441, 714, 1156, 1870, 3025, 4895
2 seqfan posts
Sat Oct 16 16:03:42 CEST 2010 [seqfan] Re: Penney's game sequences
Fri Oct 15 22:21:32 CEST 2010 [seqfan] Penney's game sequences
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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