A137108 - OEIS

This site is supported by donations to The OEIS Foundation.

A137108

Numbers n such that n and the square of n use only the digits 2, 4, 7 and 9.

2, 7, 27, 49777, 4994777, 49994777, 499979277 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`Generated with DrScheme`
	LINKS	`J. Wellons, Tables of Shared Digits`
	EXAMPLE	`499979277^2 = 249979277429442729`
	CROSSREFS	`Sequence in context: A060017 A058800 A077622 * A099815 A123363 A102961` `Adjacent sequences: A137105 A137106 A137107 * A137109 A137110 A137111`
	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 13 16:17 EST 2012. Contains 205522 sequences.