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A024856 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (natural numbers), t = A023532. 0
0, 1, 3, 2, 4, 3, 6, 9, 13, 12, 17, 16, 21, 19, 25, 32, 40, 39, 47, 45, 54, 52, 62, 60, 71, 82, 94, 92, 105, 103, 117, 115, 130, 127, 142, 139, 155, 172, 190, 188, 207, 205, 224, 221, 241, 238, 259, 256, 278, 275, 298, 322, 346, 343, 368, 365, 391, 388, 415, 412, 440, 437, 466 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,3

LINKS

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

CROSSREFS

Sequence in context: A058708 A141731 A294145 * A147598 A023869 A024596

Adjacent sequences:  A024853 A024854 A024855 * A024857 A024858 A024859

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 20 05:31 EDT 2018. Contains 316378 sequences. (Running on oeis4.)