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A067633 a(1) = 1; sequence of digits of a(n)^2 is a subsequence of the sequence of digits of a(n+1)^2. 3
1, 4, 13, 37, 117, 367, 3667, 36667, 366667 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Probably infinite. Does the obvious pattern continue?

LINKS

Table of n, a(n) for n=1..9.

CROSSREFS

Cf. A014563, A066825.

Sequence in context: A224033 A095126 A077842 * A091874 A297391 A108489

Adjacent sequences:  A067630 A067631 A067632 * A067634 A067635 A067636

KEYWORD

nonn,base

AUTHOR

David W. Wilson, Feb 05 2002

STATUS

approved

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Last modified July 27 23:16 EDT 2021. Contains 346316 sequences. (Running on oeis4.)