id:A076972 - OEIS Search Results

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a(n) = index of the triangular number A076971(n).

+0
2

1, 2, 3, 5, 7, 10, 15, 21, 30, 43, 61, 87, 123, 174, 247, 349, 494, 699, 989, 1399, 1979, 2799, 3959, 5599, 7919, 11199, 15838, 22399, 31677, 44799, 63355, 89598, 126711, 179197, 253423, 358395, 506847, 716790, 1013695, 1433581, 2027390, 2867163 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A076971.` `Sequence in context: A022475 A011972 A160571 this_sequence A003410 A018133 A116975` `Adjacent sequences: A076969 A076970 A076971 this_sequence A076973 A076974 A076975`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Oct 21 2002`
	EXTENSIONS	`Corrected and extended by Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 22 2003`

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

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