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A025074 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A023532, t = A001950 (upper Wythoff sequence). 0
5, 7, 10, 13, 25, 31, 48, 56, 64, 71, 98, 108, 138, 153, 188, 204, 220, 235, 280, 297, 347, 368, 422, 446, 505, 531, 558, 584, 651, 680, 753, 785, 863, 896, 980, 1017, 1105, 1144, 1184, 1224, 1319, 1362, 1463, 1507, 1615, 1661, 1774, 1824, 1941, 1993, 2115, 2170, 2226 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..53.

CROSSREFS

Sequence in context: A089061 A093115 A020936 * A065503 A152001 A297000

Adjacent sequences:  A025071 A025072 A025073 * A025075 A025076 A025077

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 16 12:48 EST 2019. Contains 320163 sequences. (Running on oeis4.)