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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. 7
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

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