A024886 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A023531, t = (odd natural numbers).

0, 0, 5, 7, 9, 11, 13, 15, 28, 32, 36, 40, 44, 48, 52, 56, 79, 85, 91, 97, 103, 109, 115, 121, 127, 133, 168, 176, 184, 192, 200, 208, 216, 224, 232, 240, 248, 256, 305, 315, 325, 335, 345, 355, 365, 375, 385, 395, 405, 415, 425, 435, 500, 512, 524, 536, 548, 560, 572, 584, 596

Offset

2,3

Links

Table of n, a(n) for n=2..62.

Crossrefs

Sequence in context: A241835 A279914 A123910 * A083249 A077153 A031102

Adjacent sequences: A024883 A024884 A024885 * A024887 A024888 A024889

Keyword

nonn

Author

Clark Kimberling

Status

approved