id:A049993 - OEIS Search Results

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a(n)=number of arithmetic progressions of 3 or more positive integers, nondecreasing with sum <=n.

+0
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0, 0, 1, 2, 3, 6, 7, 9, 13, 16, 17, 24, 25, 28, 36, 40, 41, 51, 52, 58, 68, 72, 73, 87, 91, 95, 107, 114, 115, 134, 135, 141, 155, 160, 167, 189, 190, 195, 211, 223, 224, 248, 249, 257, 282, 288, 289, 316, 320, 332, 353, 362, 363 (list; graph; listen)

	OFFSET	`1,4`
	CROSSREFS	`Sequence in context: A029515 A061951 A153348 this_sequence A167793 A018423 A018700` `Adjacent sequences: A049990 A049991 A049992 this_sequence A049994 A049995 A049996`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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