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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; internal format)
OFFSET

1,2

COMMENTS

Provably infinite. Does the obvious pattern continue?

CROSSREFS

Cf. A014563, A066825.

Sequence in context: A097551 A095126 A077842 * A091874 A108489 A155375

Adjacent sequences:  A067630 A067631 A067632 * A067634 A067635 A067636

KEYWORD

nonn,base

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net), Feb 05 2002

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.