A200379 Second row of array defined in A056230.

2, 6, 17, 47, 121, 291, 665, 1467, 3162, 6718, 14156, 29702, 62190, 130060, 271760, 567488, 1184917, 2475907, 5181798, 10869647, 22858188, 48178441, 101712259, 214900119, 454006064, 958316150, 2019797853, 4248758319, 8917387482, 18670242203, 38989676130

Offset

1,1

Comments

First differences of A057153;

a(n) = A056230(n+1,n).

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..150

Prog

(Haskell)
a200379 n = a056230_tabl !! n !! (n-1)

Crossrefs

Sequence in context: A278428 A344433 A356934 * A032638 A292229 A090039

Adjacent sequences: A200376 A200377 A200378 * A200380 A200381 A200382

Keyword

nonn

Author

Reinhard Zumkeller, Nov 19 2011

Status

approved