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A053923 Squares composed of digits {2,4,6}. 2
4, 64, 4624, 26244, 446224, 26646244, 44462224, 662444644, 4444622224, 6266622244, 26646644644, 444446222224, 44444462222224, 64664242622464, 624666644462224, 4444444622222224, 444444446222222224 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..17.

P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences

CROSSREFS

Cf. A053922.

Sequence in context: A193611 A193755 A194501 * A326868 A211214 A229867

Adjacent sequences:  A053920 A053921 A053922 * A053924 A053925 A053926

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Mar 15 2000

STATUS

approved

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Last modified September 24 04:19 EDT 2020. Contains 337317 sequences. (Running on oeis4.)