id:A095233 - OEIS Search Results

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a(n) = a(n-1) + Sum(floor(n/p): p prime), a(1) = 1.

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1, 2, 4, 7, 11, 17, 24, 32, 41, 52, 64, 78, 93, 110, 129, 149, 170, 193, 217, 243, 271, 301, 332, 365, 399, 435, 472, 511, 551, 594, 638, 683, 730, 779, 830, 883, 937, 993, 1051, 1111, 1172, 1236, 1301, 1368, 1437, 1508, 1580, 1654, 1729, 1806, 1885 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n+1) - a(n) = A013939(n+1).`
	CROSSREFS	`Cf. A001221.` `Sequence in context: A076273 A024455 A038045 this_sequence A062434 A084267 A011911` `Adjacent sequences: A095230 A095231 A095232 this_sequence A095234 A095235 A095236`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 22 2004`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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