A032043 "BFK" (reversible, size, unlabeled) transform of 2,2,2,2...
1, 2, 2, 6, 6, 10, 34, 38, 62, 90, 306, 334, 574, 794, 1226, 3390, 4014, 6370, 9130, 13598, 18470, 48114, 55290, 88966, 123238, 184178, 245714, 358710, 771990, 937210, 1427698, 1992662, 2882894, 3895626, 5533314, 7318270, 14935246
Offset: 0
Keywords
Links
- Andrew Howroyd, Table of n, a(n) for n = 0..1000
- C. G. Bower, Transforms (2)
Crossrefs
a(n) = (A032005(n) + 2)/2.
Programs
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PARI
seq(n)={apply(p->subst(serlaplace(p + polcoeff(p,1)), y, 1)/2, Vec(y-1+prod(k=1, n, 1 + 2*x^k*y + O(x*x^n))))} \\ Andrew Howroyd, Jun 21 2018
Extensions
a(0)=1 prepended by Andrew Howroyd, Jun 21 2018