id:A013940 - OEIS Search Results

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Sum(floor(n/ithprime(k)^2),k = 1 .. n) end.

+0
3

0, 0, 0, 1, 1, 1, 1, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 6, 6, 7, 7, 7, 7, 8, 9, 9, 10, 11, 11, 11, 11, 12, 12, 12, 12, 14, 14, 14, 14, 15, 15, 15, 15, 16, 17, 17, 17, 18, 19, 20, 20, 21, 21, 22, 22, 23, 23, 23, 23, 24, 24, 24, 25 (list; graph; listen)

	OFFSET	`1,8`
	CROSSREFS	`Sequence in context: A106733 A087838 A057627 this_sequence A029129 A087842 A101776` `Adjacent sequences: A013937 A013938 A013939 this_sequence A013941 A013942 A013943`
	KEYWORD	`nonn`
	AUTHOR	`njas, Henri Lifchitz (100637.64(AT)CompuServe.COM)`

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.

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