%I A024702
%S A024702 1,2,5,7,12,15,22,35,40,57,70,77,92,117,145,155,187,210,222,260,287,330,
               392,
%T A024702 425,442,477,495,532,672,715,782,805,925,950,1027,1107,1162,1247,1335,
               1365,
%U A024702 1520,1552,1617,1650,1855,2072,2147,2185,2262,2380,2420,2625,2752,2882,
               3015
%N A024702 a(n) = (-1 + p^2)/24, where p = prime(n+2).
%Y A024702 Subsequence of generalized pentagonal numbers A001318.
%Y A024702 Cf. A075888 [From Alexander R. Povolotsky (pevnev(AT)juno.com), Sep 20 
               2008]
%Y A024702 Sequence in context: A088822 A080182 A001318 this_sequence A161664 A080547 
               A080555
%Y A024702 Adjacent sequences: A024699 A024700 A024701 this_sequence A024703 A024704 
               A024705
%K A024702 nonn
%O A024702 1,2
%A A024702 Clark Kimberling (ck6(AT)evansville.edu)