**Coefficient triangle sequence of a polynomial recursion: p(x,n)=(x + 1)*(p(x, n - 1) + 3^(n - 2)*(x + x^Floor[n/2] + x^(n - 2))); Row sums are 2*3^n.**

*2, 3, 3, 2, 14, 2, 2, 25, 25, 2, 2, 36, 77, 45, 2, 2, 65, 167, 176, 74, 2, 2, 148, 313, 424*

*2 seqfan posts*

Index of A-numbers in seqfan: by ascending order by month by frequency by keyword

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