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A137159 G.f.: 1 = Sum_{n>=0} a(n)*x^n/(1+x)^(8*2^n). 4

%I

%S 1,8,92,1976,84086,7173240,1227862380,421296930984,289484024512093,

%T 398106386971472608,1095381029276651137560,6028986377761538637043792,

%U 66373632185586959347740452492,1461497816340787260620205149915824

%N G.f.: 1 = Sum_{n>=0} a(n)*x^n/(1+x)^(8*2^n).

%C Equals unsigned column 3 of triangle A137156.

%o (PARI) {a(n)=polcoeff(1-sum(k=0, n-1, a(k)*x^k/(1+x+x*O(x^n))^(2^(k+3)) ), n)}

%Y Cf. A137156; A001192, A137157, A137158, A137160.

%K nonn

%O 0,2

%A _Paul D. Hanna_, Jan 24 2008

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Last modified January 24 08:21 EST 2021. Contains 340398 sequences. (Running on oeis4.)