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%I #9 Oct 23 2017 06:52:09
%S 1,1,6,87,2248,88245,4834296,349799527,32139501696,3640751250057,
%T 496985319186400,80270368530689271,15112076463651285504,
%U 3275115726792062534173,808478403184433649483648,225271606246507403888070375,70294100400932212703515672576
%N a(n) = n! * [x^n] exp((1+x)^n - 1).
%H Seiichi Manyama, <a href="/A294045/b294045.txt">Table of n, a(n) for n = 0..258</a>
%Y Main diagonal of A294042.
%Y Cf. A294043.
%K nonn
%O 0,3
%A _Seiichi Manyama_, Oct 22 2017
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