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A088357 G.f. = continued fraction: A(x)=1/(1-x/(1-2*x^2/(1-3*x^3/(1-4*x^4/(...))))). 0
1, 1, 1, 3, 5, 11, 27, 55, 127, 285, 647, 1457, 3297, 7489, 16945, 38523, 87293, 198179, 449907, 1021135, 2318527, 5263581, 11950967, 27133985, 61609953, 139888777, 317629465, 721215027, 1637598485, 3718378619, 8443065363, 19171129327 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

PROG

(PARI) S=1; L=30; for(k=1, L, m=L-k+1; S=1/(1-m*x^m*S)+x*O(x^L)); A(x)=S; a(n)=polcoeff(A(x), n, x)

CROSSREFS

Sequence in context: A109249 A196423 A032364 * A204857 A191025 A093706

Adjacent sequences:  A088354 A088355 A088356 * A088358 A088359 A088360

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Sep 26 2003

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Last modified February 17 04:21 EST 2012. Contains 205978 sequences.