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A180698 15^a(n) is smallest power of 15 beginning with n. 4
0, 2, 3, 15, 4, 16, 5, 11, 17, 57, 6, 12, 86, 18, 1, 24, 7, 47, 13, 87, 36, 2, 93, 42, 8, 116, 65, 31, 14, 105, 71, 37, 3, 128, 94, 60, 26, 9, 134, 100, 66, 49, 15, 140, 123, 106, 72, 55, 21, 4, 129, 112, 95, 78, 44, 27, 10, 152, 135, 101, 84, 67, 50, 33, 16, 158, 141, 124, 107 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

D. Mondot, Table of n, a(n) for n=1..32699

CROSSREFS

Cf. A180696, A180697, A180700

Sequence in context: A224848 A271330 A262462 * A266618 A082572 A075244

Adjacent sequences:  A180695 A180696 A180697 * A180699 A180700 A180701

KEYWORD

base,nonn

AUTHOR

Daniel Mondot, Sep 18 2010

STATUS

approved

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Last modified June 2 16:27 EDT 2020. Contains 334787 sequences. (Running on oeis4.)