id:A136997 - OEIS Search Results

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Numbers n such that n and the square of n use only the digits 1, 2, 4, 7 and 8.

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1, 2, 11, 12, 21, 22, 28, 88, 122, 221, 278, 418, 421, 471, 472, 478, 1478, 1488, 2778, 2878, 4141, 4271, 4721, 8472, 8878, 11141, 14771, 21171, 21778, 27771, 27878, 84722, 88418, 88471, 112778, 112878, 118818, 211488, 272841, 277818, 287771, 414418, 422222, 477778, 878221, 884428, 1128222, 1214171, 1477221, 1477421, 2174278, 2178818, 2184441 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Generated with DrScheme`
	LINKS	`Jonathan Wellons, Table of n, a(n) for n=1..454` `J. Wellons, Tables of Shared Digits`
	EXAMPLE	`847184817428412^2 = 717722114881211772824744841744`
	CROSSREFS	`Adjacent sequences: A136994 A136995 A136996 this_sequence A136998 A136999 A137000` `Sequence in context: A065020 A136986 A096109 this_sequence A085184 A037089 A038118`
	KEYWORD	`base,nonn`
	AUTHOR	`Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008`

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Last modified January 7 17:35 EST 2009. Contains 152824 sequences.

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