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A180704
18^a(n) is smallest power of 18 beginning with n.
4
0, 13, 2, 22, 3, 7, 19, 31, 39, 4, 8, 16, 24, 28, 36, 40, 44, 1, 9, 13, 17, 21, 72, 25, 29, 33, 37, 135, 41, 45, 143, 2, 53, 6, 10, 155, 14, 112, 18, 116, 22, 120, 26, 171, 30, 222, 34, 273, 85, 38, 183, 42, 281, 93, 46, 238, 97, 3, 195, 54, 7, 199, 58, 11, 250, 109, 15, 301
OFFSET
1,2
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Daniel Mondot, Sep 18 2010
STATUS
approved