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Least positive multiples of index n that can result from the self-convolution of a monotonically increasing sequence (A087148).
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%I #4 Mar 30 2012 18:36:38

%S 1,2,4,7,12,19,28,39,52,67,83,101,122,147,176,210,250,295,343,395,452,

%T 515,584,661,749,845,951,1065,1193,1334,1492,1667,1861,2075,2308,2560,

%U 2833,3132,3453,3800,4172,4579,5011,5477,5975,6513,7080,7683,8325,9008

%N Least positive multiples of index n that can result from the self-convolution of a monotonically increasing sequence (A087148).

%F n*a(n) = sum(k=1, n, A087148(k)*A087148(n-k+1)), n>=1.

%Y Cf. A087148.

%K nonn

%O 1,2

%A _Paul D. Hanna_, Aug 19 2003