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A087240 First differences of A087235. 3
25, 87, 240, 774, 1960, 5378, 15828, 40420, 110477, 306255, 823267, 2219935, 6035446, 16314684, 44245201, 119849369, 324308909, 879921037, 2385657333, 6467079803, 17541637367, 47581552613 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..23.

FORMULA

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

CROSSREFS

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

Sequence in context: A081272 A027026 A251195 * A044212 A044593 A090659

Adjacent sequences:  A087237 A087238 A087239 * A087241 A087242 A087243

KEYWORD

nonn

AUTHOR

Labos Elemer, Sep 04 2003

STATUS

approved

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Last modified December 19 06:44 EST 2014. Contains 252177 sequences.