A087240 First differences of A087235.

25, 87, 240, 774, 1960, 5378, 15828, 40420, 110477, 306255, 823267, 2219935, 6035446, 16314684, 44245201, 119849369, 324308909, 879921037, 2385657333, 6467079803, 17541637367, 47581552613, 129104928784, 350330765356, 950772205549, 2580621276899, 7005302330033

Offset

2,1

Links

Giovanni Resta, Table of n, a(n) for n = 2..49

Formula

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

Crossrefs

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

Sequence in context: A318293 A027026 A251195 * A044212 A044593 A262492

Adjacent sequences: A087237 A087238 A087239 * A087241 A087242 A087243

Keyword

nonn

Author

Labos Elemer, Sep 04 2003

Extensions

More terms from Giovanni Resta, Sep 01 2018

Status

approved