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%I #6 Mar 31 2015 20:20:44
%S 0,2,10,66,692,9780,167982,3362828,76695880,1961316270,55555555610,
%T 1726135607262,58359930206844,2132745542253872,83767436069591302,
%U 3518790190560477240,157412216095654840592,7471013615160978901626
%N Sums of rows of the triangle in A108396.
%H Reinhard Zumkeller, <a href="/A108397/b108397.txt">Table of n, a(n) for n = 0..250</a>
%F a(n) = n*(n^(n+1) + n^2 - 2) / (2*(n-1)) for n>1.
%o (Haskell)
%o a108397 0 = 0
%o a108397 1 = 2
%o a108397 n = n * (n^(n+1) + n^2 - 2) `div` (2 * (n-1))
%o -- _Reinhard Zumkeller_, Mar 31 2015
%Y Cf. A007778, A062970.
%K nonn
%O 0,2
%A _Reinhard Zumkeller_, Jun 02 2005
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