A087239 First differences of A038625.

25, 69, 234, 678, 2051, 5349, 15118, 41014, 110657, 305655, 823646, 2219386, 6034071, 16316797, 44240660, 119845770, 324311229, 879921169, 2385656018, 6467086046, 17541630385, 47581555131, 129104931215, 350330768077, 950772203169, 2580621278375, 7005302328953

Offset: 2

Author

Labos Elemer, Sep 04 2003

Keywords

• nonn

Links

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

Crossrefs

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

Formula

a(n)=A038625(n+1)-A038625(n)

Extensions

More terms from Giovanni Resta, Sep 01 2018