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A024856 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (natural numbers), t = A023532. 0

%I #3 Mar 30 2012 18:56:00

%S 0,1,3,2,4,3,6,9,13,12,17,16,21,19,25,32,40,39,47,45,54,52,62,60,71,

%T 82,94,92,105,103,117,115,130,127,142,139,155,172,190,188,207,205,224,

%U 221,241,238,259,256,278,275,298,322,346,343,368,365,391,388,415,412,440,437,466

%N a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (natural numbers), t = A023532.

%K nonn

%O 2,3

%A _Clark Kimberling_

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Last modified March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)