id:A068323 - OEIS Search Results

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a(n)=number of arithmetic progressions of primes, nondecreasing with sum n.

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1

0, 1, 1, 1, 2, 2, 2, 2, 2, 3, 1, 3, 2, 3, 4, 3, 1, 4, 2, 4, 4, 4, 1, 5, 2, 4, 1, 4, 1, 6, 2, 3, 5, 5, 2, 6, 1, 3, 5, 5, 1, 7, 2, 5, 3, 5, 1, 7, 2, 6, 5, 5, 1, 7 (list; graph; listen)

	OFFSET	`1,5`
	CROSSREFS	`Sequence in context: A139813 A129381 A139514 this_sequence A054990 A046921 A078178` `Adjacent sequences: A068320 A068321 A068322 this_sequence A068324 A068325 A068326`
	KEYWORD	`easy,nonn`
	AUTHOR	`Naohiro Nomoto (n_nomoto(AT)yabumi.com), Feb 27 2002`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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