A086077 - OEIS

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A086077

Number of 6's in decimal expansion of triangular number n(n+1)/2.

0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 3, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 2, 0, 0, 0, 0, 0, 0, 1, 1 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,12`
	CROSSREFS	`Cf. 0's A086071, 1's A086072, 2's A086073, 3's A086074, 4's A086075, 5's A086076, 7's A086078, 8's A086079, 9's A086080.` `Sequence in context: A019261 A019222 A019141 * A178408 A073345 A138088` `Adjacent sequences: A086074 A086075 A086076 * A086078 A086079 A086080`
	KEYWORD	`base,nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Jul 08 2003`

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Last modified February 16 10:07 EST 2012. Contains 205904 sequences.