A137002 - OEIS

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A137002

Numbers n such that n and the square of n use only the digits 1, 2 and 5.

1, 5, 11, 15 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`Sequence terminates. Generated with DrScheme` `Numbers appearing in A131082 ; subsequence of A031153, A137003. - M. F. Hasler, Jan 24 2008`
	LINKS	`J. Wellons, Tables of Shared Digits`
	EXAMPLE	`15^2 = 225`
	CROSSREFS	`Sequence in context: A196206 A079030 A103011 * A091718 A078002 A171418` `Adjacent sequences: A136999 A137000 A137001 * A137003 A137004 A137005`
	KEYWORD	`base,fini,nonn`
	AUTHOR	`Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008`

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Last modified February 15 07:12 EST 2012. Contains 205697 sequences.