a(2)=1, a(3)=2; thereafter a(n) = 2a(n-1)-a(n-2)+A046919(n).
1, 2, 4, 9, 22, 59, 169, 506, 1577, 5078, 16729, 56098, 190981, 658442, 2294164
2 seqfan posts
Thu May 10 23:55:48 CEST 2012 [seqfan] Re: b-file needed for A000571, a classic sequence
Thu May 10 23:33:36 CEST 2012 [seqfan] b-file needed for A000571, a classic sequence
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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