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Search: id:A087240
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A087240 First differences of A087235. +0
4
25, 87, 240, 774, 1960, 5378, 15828, 40420, 110477, 306255, 823267, 2219935, 6035446, 16314684, 44245201, 119849369, 324308909, 879921037, 2385657333, 6467079803, 17541637367, 47581552613 (list; graph; listen)
OFFSET

2,1

FORMULA

a(n)=A087235(n+1)-A087235(n)

CROSSREFS

Cf. A038623-A038627, A057809, A087235-A087241.

Adjacent sequences: A087237 A087238 A087239 this_sequence A087241 A087242 A087243

Sequence in context: A069232 A081272 A027026 this_sequence A044212 A044593 A090659

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Sep 04 2003

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.


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