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A049994 a(n) = number of arithmetic progressions of 4 or more positive integers, nondecreasing with sum n. 0
0, 0, 0, 1, 1, 1, 1, 2, 1, 3, 1, 3, 1, 3, 3, 4, 1, 4, 1, 6, 3, 4, 1, 6, 4, 4, 3, 7, 1, 9, 1, 6, 3, 5, 7, 10, 1, 5, 3, 12, 1, 10, 1, 8, 10, 6, 1, 11, 4, 12, 4, 9, 1, 11, 9, 12, 4, 7, 1, 20, 1, 7, 9, 11, 10, 13, 1, 10, 4, 21, 1, 18, 1, 8, 14, 11, 7, 14, 1, 22, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,8

LINKS

Table of n, a(n) for n=1..81.

CROSSREFS

Sequence in context: A025820 A109704 A073407 * A135732 A322584 A306248

Adjacent sequences:  A049991 A049992 A049993 * A049995 A049996 A049997

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified March 20 19:52 EDT 2019. Contains 321349 sequences. (Running on oeis4.)