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A049995 Number of arithmetic progressions of 4 or more positive integers, nondecreasing with sum <=n. 0
0, 0, 0, 1, 2, 3, 4, 6, 7, 10, 11, 14, 15, 18, 21, 25, 26, 30, 31, 37, 40, 44, 45, 51, 55, 59, 62, 69, 70, 79, 80, 86, 89, 94, 101, 111, 112, 117, 120, 132, 133, 143, 144, 152, 162, 168, 169, 180, 184, 196, 200, 209, 210, 221, 230, 242 (list; graph; refs; listen; history; internal format)
OFFSET

1,5

CROSSREFS

Sequence in context: A047518 A179834 A120440 * A055802 A114220 A134519

Adjacent sequences:  A049992 A049993 A049994 * A049996 A049997 A049998

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.