A086015 - OEIS

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A086015

Number of 7's in decimal expansion of n^2.

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

	OFFSET	`0,77`
	LINKS	`Table of n, a(n) for n=0..104.`
	CROSSREFS	`Cf. 0's A086008, 1's A086009, 2's A086010, 3's A086011, 4's A086012, 5's A086013, 6's A086014, 8's A086016, 9's A086017.` `Sequence in context: A088722 A122180 A033772 * A086012 A127268 A083918` `Adjacent sequences: A086012 A086013 A086014 * A086016 A086017 A086018`
	KEYWORD	`base,nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Jul 07 2003`
	STATUS	`approved`

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Last modified May 21 08:46 EDT 2013. Contains 225478 sequences.