A037258 First differences of A037257.

2, 6, 11, 18, 26, 36, 48, 61, 75, 90, 106, 123, 142, 163, 185, 208, 232, 257, 285, 314, 344, 375, 407, 440, 474, 509, 546, 585, 625, 666, 708, 751, 795, 840, 886, 933, 982, 1032, 1083, 1135, 1188, 1242, 1297, 1353, 1410, 1468, 1527, 1587, 1649, 1712, 1777

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Crossrefs

Cf. A005228, A030124, A037257.

Formula

a(n) = A037257(n+1) - A037257(n).

Extensions

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