A024461 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (Fibonacci numbers), t = (composite numbers).

4, 6, 14, 17, 35, 40, 73, 83, 145, 166, 281, 312, 519, 561, 923, 1000, 1635, 1783, 2904, 3117, 5064, 5335, 8654, 9132, 14800, 15677, 25391, 26470, 42857, 44697, 72350, 75573, 122310, 128165, 207407, 218556, 353665, 369326, 597617, 616728, 997923, 1030248

Offset

1,1

Links

Table of n, a(n) for n=1..42.

Crossrefs

Sequence in context: A310639 A310640 A310641 * A063811 A310642 A310643

Adjacent sequences: A024458 A024459 A024460 * A024462 A024463 A024464

Keyword

nonn

Author

Clark Kimberling

Status

approved