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A179990
Logarithms (cf. A179989) f:{1,...,n}->Z/nZ such that either (i) n is odd or (ii) n is even and f(m) is even whenever m divides n/2.
1
1, 1, 2, 0, 8, 2, 36, 16, 24, 8, 140, 0, 936, 312, 416, 96, 3648, 576, 30240, 4608, 9792, 3360, 103488, 10368, 72960, 13752, 22896, 1296, 134400, 23424, 2671200, 556800, 794400, 202752, 145152, 7488, 3594240, 1013472, 1202688, 102912, 17606400
OFFSET
1,3
COMMENTS
These special logarithms play an important role in the theory of k-radius sequences.
LINKS
CROSSREFS
Sequence in context: A298522 A206436 A146543 * A228156 A182524 A212832
KEYWORD
nonn
AUTHOR
James McKee (james.mckee(AT)rhul.ac.uk), Aug 05 2010
STATUS
approved