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A061664 Smallest number a(n) for which a(n) and a(n)^2 contain the same digits in the same proportion in base n. 9
53, 184, 45, 9726, 3697, 30, 266, 2890, 72576, 121892, 1604132, 22423892, 31215 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..14.

EXAMPLE

a(9) = 2890 since 2890 = 3861 in base 9 and 2890^2 = 16638831 in base 9.

CROSSREFS

Cf. A061656, A061657, A061658, A061659, A061660, A061661, A061662, A061663, A114258.

Sequence in context: A056157 A142919 A142949 * A008993 A142088 A005146

Adjacent sequences:  A061661 A061662 A061663 * A061665 A061666 A061667

KEYWORD

base,nonn

AUTHOR

Erich Friedman, Jun 16 2001

EXTENSIONS

More terms from Naohiro Nomoto, Oct 06 2001

STATUS

approved

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Last modified March 18 16:00 EDT 2019. Contains 321292 sequences. (Running on oeis4.)