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A232712 Least positive k (not a power of 10) such that k and k^n have the same set of digits. 1
2, 4762, 107624, 35641, 39568, 1380796, 12635940, 40837596, 102349857, 102567384, 106342987, 129046873, 107623945, 231940678, 239607415, 368709154, 1023456789, 164758903, 176384592, 1023456789, 1023456789, 1023456789, 1023456789, 1023456789, 1023456789 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(17) and a(20)-a(40) = A050278(1) = 1023456789, the smallest pandigital number. [Lars Blomberg, Dec 10 2013]

LINKS

Lars Blomberg, Table of n, a(n) for n = 1..40

PROG

(PARI) for(n=1, 6, k=1; until(Set(Vec(Str(k)))==Set(Vec(Str(k^n)))&&!(sumdigits(k)==1), k++); print1(k, ", "));

CROSSREFS

Cf. A171102, A029793, A029795, A232659-A232662.

Sequence in context: A292391 A195002 A203756 * A262059 A153737 A078933

Adjacent sequences:  A232709 A232710 A232711 * A232713 A232714 A232715

KEYWORD

nonn,base

AUTHOR

Arkadiusz Wesolowski, Nov 28 2013

EXTENSIONS

a(14)-a(25) from Lars Blomberg, Dec 10 2013

STATUS

approved

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Last modified September 20 22:20 EDT 2019. Contains 327252 sequences. (Running on oeis4.)