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A072021 Smallest solution to GCD(x,Rev(x)) = 5^n. 2
5, 5200, 521000, 5213750, 521875, 5218750, 52130234375, 5734841796875 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

a(n) = A069554(5^n).

EXAMPLE

n = 8: 5^8 = 390625, a(8) = 5734841796875 = 5.5.5.5.5.5.5.5.5.5.2936239, Rev[a(8)] = 5786971484375 = 5.5.5.5.5.5.5.5.71.208657.

CROSSREFS

Cf. A004086, A055483, A069554, A071686, A072005, A072016-A072018.

Sequence in context: A024074 A086896 A177503 * A196627 A013535 A079812

Adjacent sequences:  A072018 A072019 A072020 * A072022 A072023 A072024

KEYWORD

more,nonn,base

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Jun 06 2002

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.