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A163983 Antidiagonal sums of A163280. 1

%I #10 Jan 24 2023 12:34:06

%S 1,6,18,41,77,133,210,310,445,602,810,1049,1347,1693,2068,2545,3028,

%T 3613,4256,4987,5817,6711,7640,8783,9962,11157,12454,13992,15615,

%U 17310,19194,21113,23108,25325,27852,30412,33158,36019,38920,41877,45230,48686,52528,56593,60399,64406

%N Antidiagonal sums of A163280.

%o (PARI) lista(nn) = my(v = apply(f, [1..nn^2]), cols = vector(nn, i, select(x->(x==i), v, 1))); vector(nn, i, sum(j=1, i, cols[j][i-j+1])); \\ _Michel Marcus_, Jan 23 2023

%Y Cf. A163280, A161344, A164000.

%K nonn

%O 1,2

%A _Omar E. Pol_, Aug 08 2009

%E More terms from _Michel Marcus_, Jan 23 2023

%E Definition corrected by _Omar E. Pol_, Jan 24 2023

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)