id:A055873 - OEIS Search Results

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a(0) = 1; a(n) = sum_{k=1 to d(n)} [a(n-k)] where d(n) is number of positive divisors of n.

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1, 1, 2, 3, 6, 9, 20, 29, 64, 113, 226, 339, 791, 1130, 2486, 4746, 9492, 14238, 32883, 47121, 110966, 205208, 396178, 601386, 1417472, 2415036, 4830072, 9263966, 18924110, 28188076, 66036296, 94224372, 221466892, 409915636, 791643196 (list; graph; listen)

	OFFSET	`0,3`
	LINKS	`Leroy Quet, Home Page (listed in lieu of email address)`
	EXAMPLE	`Since d(8) = 4, a(8) = a(7) +a(6) +a(5) +a(4) {4 terms}. So a(8) = 29 +20 +9 +6 =64.`
	CROSSREFS	`Sequence in context: A011962 A060172 A003243 this_sequence A091053 A095064 A056353` `Adjacent sequences: A055870 A055871 A055872 this_sequence A055874 A055875 A055876`
	KEYWORD	`easy,nonn`
	AUTHOR	`Leroy Quet Jul 16 2000`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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