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A076573 a(0)=1 if n>0 a(n)=(-1)^(n+1)/(2n+1)*sum(k=0,n,4^(5k)*B(2k)*C(2n+1,2k)) where B(k) denotes the k-th Bernoulli number. 0
1, 171, 34611, 25391031, 36412266951, 84746764368291, 289947183663000891, 1368522076163485223151, 8518903397471846192668431, 67614595884596632809835843611, 666443065911076418265517497701571 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..10.

CROSSREFS

Sequence in context: A262113 A145625 A097844 * A015356 A259158 A252139

Adjacent sequences:  A076570 A076571 A076572 * A076574 A076575 A076576

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Oct 19 2002

STATUS

approved

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Last modified July 1 22:23 EDT 2022. Contains 354984 sequences. (Running on oeis4.)