a(n) = A139251(n+2)/4 = A152968(n+1)/2.
1, 1, 1, 2, 3, 2, 1, 2, 3, 3, 4, 7, 8, 4, 1, 2, 3, 3, 4, 7, 8, 5, 4, 7, 9, 10, 15, 22, 20, 8, 1, 2
2 seqfan posts
Tue Apr 14 09:37:38 CEST 2009 [seqfan] Re: confused about toothpick sequence A139250!
Tue Apr 14 06:07:04 CEST 2009 [seqfan] Re: confused about toothpick sequence A139250!
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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