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

0,1

Links

Table of n, a(n) for n=0..50.

Formula

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

Crossrefs

Cf. A005228, A030124, A037257.

Sequence in context: A248469 A331952 A225386 * A201993 A024521 A194455

Adjacent sequences: A037255 A037256 A037257 * A037259 A037260 A037261

Keyword

nonn,easy

Author

N. J. A. Sloane.

Extensions

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

Status

approved