A087360 - OEIS

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A087360

Indices of triangular numbers in A087359.

1, 2, 3, 5, 6, 8, 12, 59, 72, 812, 1523, 47051, 234380, 82528328, 963837743, 8386720250208, 15040477267097648, 562429063569593838374096, 9285393339731985604589835104960, 631311818053863204637859662148296083530450400 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	FORMULA	`a(n) = floor(sqrt(2*A087359(n))). - David Wasserman (wasserma(AT)spawar.navy.mil), May 19 2005`
	CROSSREFS	`Cf. A087359.` `Sequence in context: A002243 A094763 A125559 * A111501 A094565 A034722` `Adjacent sequences: A087357 A087358 A087359 * A087361 A087362 A087363`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 08 2003`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), May 19 2005`

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Last modified February 14 08:06 EST 2012. Contains 205604 sequences.