A024308 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k=[ (n+1)/2 ], s = (natural numbers >= 2), t = A023532.

2, 0, 2, 5, 7, 6, 10, 9, 12, 17, 23, 22, 29, 26, 33, 31, 39, 48, 58, 55, 65, 63, 74, 72, 84, 82, 93, 106, 120, 118, 133, 131, 147, 145, 160, 157, 174, 171, 189, 208, 228, 226, 247, 243, 264, 261, 283, 280, 303, 300, 324, 321, 346, 370, 396, 393, 420, 417, 445, 442, 471, 468, 498

Offset

1,1

Links

Table of n, a(n) for n=1..63.

Crossrefs

Sequence in context: A349782 A011297 A110282 * A059432 A256488 A175631

Adjacent sequences: A024305 A024306 A024307 * A024309 A024310 A024311

Keyword

nonn

Author

Clark Kimberling

Status

approved