A024602 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (odd natural numbers), t = A014306.

0, 1, 4, 3, 6, 4, 9, 16, 25, 24, 33, 31, 42, 40, 53, 51, 66, 64, 81, 99, 118, 116, 137, 135, 158, 156, 181, 179, 206, 204, 233, 231, 262, 260, 292, 288, 321, 317, 352, 389, 428, 426, 467, 465, 508, 506, 551, 549, 596, 594, 643, 641, 692, 690, 743, 740, 793, 789, 844, 840

Offset

1,3

Links

Table of n, a(n) for n=1..60.

Crossrefs

Sequence in context: A300894 A328258 A190415 * A367269 A131603 A242554

Adjacent sequences: A024599 A024600 A024601 * A024603 A024604 A024605

Keyword

nonn

Author

Clark Kimberling

Extensions

a(59) corrected by Sean A. Irvine, Jul 17 2019

Status

approved