A137001 - OEIS

This site is supported by donations to The OEIS Foundation.

A137001

Numbers n such that n and the square of n use only the digits 1, 2, 4 and 9.

1, 2, 11, 12, 21, 212, 221911 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`Generated with DrScheme`
	LINKS	`J. Wellons, Tables of Shared Digits`
	EXAMPLE	`221911^2 = 49244491921`
	CROSSREFS	`Sequence in context: A114034 A136970 A136967 * A136996 A113720 A034118` `Adjacent sequences: A136998 A136999 A137000 * A137002 A137003 A137004`
	KEYWORD	`base,nonn`
	AUTHOR	`Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008`

Content is available under The OEIS End-User License Agreement .

Last modified February 17 23:08 EST 2012. Contains 206085 sequences.