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

2,1

Links

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

Formula

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

Crossrefs

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

Sequence in context: A109676 A223888 A211572 * A032653 A063308 A154050

Adjacent sequences: A087236 A087237 A087238 * A087240 A087241 A087242

Keyword

nonn

Author

Labos Elemer, Sep 04 2003

Extensions

More terms from Giovanni Resta, Sep 01 2018

Status

approved