a(n)=T(3n+1), where T(n) are tribonacci numbers A000073.
0, 2, 13, 81, 504, 3136, 19513, 121415, 755476, 4700770, 29249425, 181997601
3 seqfan posts
Mon Oct 18 23:16:38 CEST 2010 [seqfan] Re: Convolve tribonacci with trinomials = A099464?
Mon Oct 18 20:45:37 CEST 2010 [seqfan] Re: Convolve tribonacci with trinomials = A099464?
Mon Oct 18 04:57:41 CEST 2010 [seqfan] Convolve tribonacci with trinomials = A099464?
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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