id:A095863 - OEIS Search Results

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Index of largest triangular number with n digits.

+0
7

3, 13, 44, 140, 446, 1413, 4471, 14141, 44720, 141420, 447213, 1414213, 4472135, 14142135, 44721359, 141421355, 447213594, 1414213561, 4472135954, 14142135623, 44721359549, 141421356236, 447213595499, 1414213562372 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Partial sums of A068094.`
	FORMULA	`a(n) = A068092(n+1) - 1.`
	CROSSREFS	`Cf. A068092, A068093, A068094, A095864, A095865, A095866.` `Sequence in context: A062609 A004660 A058407 this_sequence A136520 A058934 A115128` `Adjacent sequences: A095860 A095861 A095862 this_sequence A095864 A095865 A095866`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Ray Chandler (rayjchandler(AT)sbcglobal.net), Jun 28 2004`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research