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

Author

Reinhard Zumkeller, Nov 19 2011

Keywords

• nonn

Comments

First differences of A057153;

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

Links

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

Programs

Haskell

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