A025542 - OEIS

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A025542

(1/binomial(0,0) - 1/binomial(2,1) + ... + d/binomial(2n,n))*L, where d = (-1)^n, L = LCM{binomial(0,0), binomial(2,1),..., binomial(2n,n)}.

1, 1, 4, 37, 265, 790, 8705, 226225, 226253, 3846175, 73077955, 73077790, 1680790160, 8403949513, 25211849540, 1462287258305, 45330905127575, 45330905096635, 45330905104591, 1677243488794285, 1677243488813665

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

Table of n, a(n) for n=0..20.

CROSSREFS

Sequence in context: A095819 A335773 A201865 * A162649 A221059 A356284

Adjacent sequences: A025539 A025540 A025541 * A025543 A025544 A025545

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved