id:A139696 - OEIS Search Results

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a(n) = the number of divisors of A139695(n).

+0
2

1, 2, 4, 7, 3, 8, 2, 9, 17, 8, 18, 7, 19, 6, 20, 5, 21, 4, 22, 3, 23, 2, 24, 47, 23, 48, 22, 49, 21, 50, 80, 111, 143, 176, 210, 245, 209, 246, 208, 169, 129, 88, 130, 87, 43, 88, 42, 89, 41, 90, 40, 91, 39, 92, 38, 93, 37, 94, 36, 95, 35, 96, 34, 97, 33, 98, 32, 99, 31, 100, 30 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`\|a(n)-a(n-1)\| = n-1 for all integers >= 2.`
	LINKS	`Ray Chandler, Table of n, a(n) for n=1..90` `Leroy Quet, Home Page (listed in lieu of email address)`
	CROSSREFS	`Cf. A139695.` `Sequence in context: A086330 A098283 A137282 this_sequence A084332 A081145 A100707` `Adjacent sequences: A139693 A139694 A139695 this_sequence A139697 A139698 A139699`
	KEYWORD	`nonn`
	AUTHOR	`Leroy Quet Apr 29 2008`
	EXTENSIONS	`a(10)-a(90) from Ray Chandler (rayjchandler(AT)sbcglobal.net), Jul 08 2009`

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

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