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%I #8 Apr 03 2016 14:10:11
%S 2,6,11,18,26,36,48,61,75,90,106,123,142,163,185,208,232,257,285,314,
%T 344,375,407,440,474,509,546,585,625,666,708,751,795,840,886,933,982,
%U 1032,1083,1135,1188,1242,1297,1353,1410,1468,1527,1587,1649,1712,1777
%N First differences of A037257.
%F a(n) = A037257(n+1) - A037257(n).
%Y Cf. A005228, A030124, A037257.
%K nonn,easy
%O 0,1
%A _N. J. A. Sloane_.
%E More terms from Larry Reeves (larryr(AT)acm.org), Sep 25 2000
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