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%I #11 Mar 07 2020 02:41:16
%S 7,56,287,1120,3591,9912,24319,54272,112071,216952,397727,696032,
%T 1170247,1900152,2992383,4586752,6863495,10051512,14437663,20377184,
%U 28305287,38750008,52346367,69851904,92163655,120336632,155603871
%N Row 7 of square array defined in A047662.
%F a(n) = (n/315) * (4*n^6 + 14*n^5 + 112*n^4 + 245*n^3 + 616*n^2 + 686*n + 528).
%K nonn
%O 1,1
%A _N. J. A. Sloane_