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A144004 E.g.f. A(x) satisfies: A(x) = 1 + Series_Reversion( Integral 1/A(x)^4 dx ). +0
3
1, 1, 4, 44, 856, 24664, 958592, 47463936, 2881313024, 208638075392, 17654019768320, 1717961286944768, 189836122499649536, 23574107397852049408, 3261667682403085852672, 499151625979680748978176 (list; graph; listen)
OFFSET

0,3

PROGRAM

(PARI) {a(n)=local(A=1+x+x*O(x^n)); for(i=0, n, A=1+serreverse(intformal(1/A^4))); n!*polcoeff(A, n)}

CROSSREFS

Cf. A001028, A144002, A144003.

Sequence in context: A157093 A088594 A144827 this_sequence A053333 A137783 A136552

Adjacent sequences: A144001 A144002 A144003 this_sequence A144005 A144006 A144007

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Sep 07 2008

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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