OFFSET
1,3
COMMENTS
Sequence is 36-periodic
FORMULA
Period is (1, 1, 2, 3, 3, 1, 4, 1, 9, 1, 8, 2, 27, 3, 8, 4, 9, 9, 4, 8, 3, 27, 2, 8, 1, 9, 1, 4, 1, 3, 3, 2, 1, 1, 1, 1)
CROSSREFS
KEYWORD
frac,nonn
AUTHOR
Benoit Cloitre, Nov 24 2002
STATUS
approved