A086009 - OEIS

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A086009

Number of 1's in decimal expansion of n^2.

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

	OFFSET	`0,12`
	LINKS	`Table of n, a(n) for n=0..104.`
	EXAMPLE	`4^2 = 16, so a(4)=1 and 11^2 = 121, so a(11)=2.`
	CROSSREFS	`Cf. 0's A086008, 2's A086010, 3's A086011, 4's A086012, 5's A086013, 6's A086014, 7's A086015, 8's A086016, 9's A086017.` `Sequence in context: A085979 A127327 A086072 * A086010 A089198 A059607` `Adjacent sequences: A086006 A086007 A086008 * A086010 A086011 A086012`
	KEYWORD	`base,nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Jul 07 2003`
	STATUS	`approved`

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Last modified May 22 00:16 EDT 2013. Contains 225508 sequences.