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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
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
KEYWORD
base,nonn
AUTHOR
Labos Elemer, Jun 10 2002
STATUS
approved

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Last modified March 29 06:15 EDT 2024. Contains 371265 sequences. (Running on oeis4.)