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A072051 Smallest k such that gcd(k, reverse(k)) = 11^n. 0
11, 121, 1331, 14641, 121110352, 1332213872, 105923336431682, 4676049710123077 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..8.

FORMULA

a(n) = A069554(11^n).

EXAMPLE

a(8) = 4676049710123077 = (11^8)*13*1678009, reverse(a(8)) = 7703210179406764 = (11^8)*2*2*157*57223.

CROSSREFS

Cf. A004086, A055483, A069554, A071686 (=2^n), A072005 (=3^n), A072021 (=5^n), A072050 (=7^n).

Sequence in context: A055479 A195946 A003590 * A092846 A329734 A214993

Adjacent sequences:  A072048 A072049 A072050 * A072052 A072053 A072054

KEYWORD

base,nonn

AUTHOR

Labos Elemer, Jun 10 2002

STATUS

approved

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Last modified June 13 00:57 EDT 2021. Contains 344980 sequences. (Running on oeis4.)