A050631 - OEIS

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A050631

a(1)=2; for n>1, a(n)^2 is next smallest nontrivial square containing a(n-1)^2 as a substring.

2, 7, 43, 136, 10158, 85927342, 738024797793593 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Starting with a(2)=7, the sequence is identical to A050633.`
	LINKS	`Table of n, a(n) for n=1..7.`
	CROSSREFS	`Cf. A050630, A048560, A050637.` `Sequence in context: A067975 A065298 A091877 * A235714 A146759 A303031` `Adjacent sequences: A050628 A050629 A050630 * A050632 A050633 A050634`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Patrick De Geest, Jul 15 1999`
	EXTENSIONS	`a(7) from Max Alekseyev, Feb 15 2012`
	STATUS	`approved`

Last modified September 27 00:14 EDT 2020. Contains 337378 sequences. (Running on oeis4.)