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A225406 10-adic integer x such that x^3 == 9 mod 10^n for all n. 5
9, 6, 5, 0, 6, 6, 3, 4, 8, 6, 6, 0, 4, 8, 5, 4, 5, 9, 4, 5, 1, 1, 9, 4, 0, 6, 0, 8, 1, 3, 7, 0, 6, 6, 9, 4, 8, 3, 9, 9, 3, 0, 2, 4, 2, 0, 3, 5, 9, 8, 6, 5, 5, 0, 9, 6, 7, 7, 4, 8, 0, 7, 4, 6, 1, 0, 3, 2, 9, 8, 5, 8, 2, 1, 5, 7, 0, 9, 0, 9, 8, 8, 1, 6, 0, 6, 8, 6, 0, 3, 9, 5, 0, 9, 9, 5, 6, 5, 3, 7 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..100.

EXAMPLE

9^3 == 9 (mod 10).

69^3 == 9 (mod 100).

569^3 == 9 (mod 1000).

569^3 == 9 (mod 10000).

60569^3 == 9 (mod 100000).

660569^3 == 9 (mod 1000000).

PROG

(PARI) n=0; for(i=1, 100, m=9; for(x=0, 9, if(((n+(x*10^(i-1)))^3)%(10^i)==m, n=n+(x*10^(i-1)); print1(x", "); break)))

CROSSREFS

Sequence in context: A154183 A200138 A196772 * A247040 A019942 A102047

Adjacent sequences:  A225403 A225404 A225405 * A225407 A225408 A225409

KEYWORD

nonn,base

AUTHOR

Aswini Vaidyanathan, May 07 2013

STATUS

approved

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Last modified June 19 11:14 EDT 2019. Contains 324219 sequences. (Running on oeis4.)