login
Row sums of triangle A027420.
3

%I #3 May 02 2014 16:29:24

%S 1,4,9,20,33,54,79,114,153,200,251,320,395,488,589,700,815,956,1105,

%T 1284,1471,1670,1879,2122,2373,2642,2925,3226,3537,3894,4261,4672,

%U 5097,5542,6005,6492,6985,7534,8105,8700,9307,9976,10661,11408,12175,12960,13769

%N Row sums of triangle A027420.

%C a(n) = sum(A027420(n,k): k = 0..n).

%o (Haskell)

%o a241944 = sum . a027420_row

%K nonn

%O 0,2

%A _Reinhard Zumkeller_, May 02 2014