A137037 - OEIS

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A137037

Numbers k such that k and k^2 use only the digits 1, 3, 6 and 7.

1, 6, 131, 11731, 3336731, 3371376, 6113376, 33336731, 611361731 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Generated with DrScheme.`
	LINKS	`Table of n, a(n) for n=1..9.` `J. Wellons, Tables of Shared Digits`
	EXAMPLE	`611361731^2 = 373763166131316361.`
	CROSSREFS	`Sequence in context: A281402 A137038 A024276 * A101131 A256239 A174250` `Adjacent sequences: A137034 A137035 A137036 * A137038 A137039 A137040`
	KEYWORD	`base,nonn`
	AUTHOR	`Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008`
	STATUS	`approved`

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Last modified December 2 19:08 EST 2023. Contains 367525 sequences. (Running on oeis4.)