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Second row of array defined in A056230.
3

%I #13 Jul 13 2013 12:04:19

%S 2,6,17,47,121,291,665,1467,3162,6718,14156,29702,62190,130060,271760,

%T 567488,1184917,2475907,5181798,10869647,22858188,48178441,101712259,

%U 214900119,454006064,958316150,2019797853,4248758319,8917387482,18670242203,38989676130

%N Second row of array defined in A056230.

%C First differences of A057153;

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

%H Reinhard Zumkeller, <a href="/A200379/b200379.txt">Table of n, a(n) for n = 1..150</a>

%o (Haskell)

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

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Nov 19 2011