A024871 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (natural numbers >= 2), t = A023532.

0, 2, 5, 3, 6, 5, 9, 12, 17, 16, 22, 21, 26, 24, 31, 39, 48, 47, 55, 53, 63, 61, 72, 70, 82, 93, 106, 104, 118, 116, 131, 129, 145, 141, 157, 154, 171, 189, 208, 206, 226, 224, 243, 240, 261, 258, 280, 277, 300, 297, 321, 346, 370, 367, 393, 390, 417, 414, 442, 439, 468, 465, 495

Offset

2,2

Links

Table of n, a(n) for n=2..64.

Crossrefs

Sequence in context: A160516 A341492 A264105 * A222072 A246007 A256997

Adjacent sequences: A024868 A024869 A024870 * A024872 A024873 A024874

Keyword

nonn

Author

Clark Kimberling

Status

approved