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A171205 G.f. satisfies: A(x) = (1 + x*A(2x))^5. 3
1, 5, 60, 1410, 62505, 5284401, 868838010, 281703950040, 181448450339760, 232989133846286240, 597389845561440183360, 3061032714235774931187200, 31357237236616342838622807040, 642321739861948533960660029617920 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
FORMULA
Self-convolution 5th power of A171204 where a(n) = A171204(n+1)/2^n for n>=0.
PROG
(PARI) {a(n)=local(A=1+x+x*O(x^n)); for(i=0, n, A=(1+x*subst(A, x, 2*x))^5); polcoeff(A, n)}
CROSSREFS
Sequence in context: A180614 A138447 A084939 * A214380 A218801 A303066
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Dec 05 2009
STATUS
approved

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Last modified May 23 14:50 EDT 2024. Contains 372763 sequences. (Running on oeis4.)