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a(n) = 24*A138879(n).
2

%I #14 Nov 30 2013 21:30:33

%S 24,72,120,264,360,744,936,1704,2256,3600,4704,7392

%N a(n) = 24*A138879(n).

%C a(n) is also the sum of all "sectors" or "half-periods" of the last section of the set of partitions of n (Cf. A135010).

%Y Cf. A000041, A135010, A138879, A183011.

%Y Partial sums give A183009.

%K nonn,easy

%O 1,1

%A _Omar E. Pol_, Jan 23 2011