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Second differences of A037260.
3

%I #7 Dec 01 2013 15:39:09

%S 4,11,19,29,41,54,68,83,99,117,137,158,180,203,227,252,279,307,337,

%T 368,400,433,467,502,539,577,616,656,698,741,785,830,876,923,971,1020,

%U 1070,1121,1173,1226,1281,1337,1394,1452,1511,1571,1632,1695,1759,1825,1892

%N Second differences of A037260.

%Y Cf. A037261, A037263.

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_.

%E More terms from Larry Reeves (larryr(AT)acm.org), Sep 25 2000