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A151729
a(n) = (A151728(n)-1)/2.
3
0, 2, 2, 5, 3, 7, 9, 11, 3, 7, 10, 14, 14, 24, 29, 23, 3, 7, 10, 14, 14, 24, 30, 26, 14, 25, 35, 43, 53, 78, 81, 47, 3, 7, 10, 14, 14, 24, 30, 26, 14, 25, 35, 43, 53, 78, 82, 50, 14, 25, 35, 43, 53, 79, 87, 67, 54, 86, 114, 140, 185, 238, 209, 95
OFFSET
0,2
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 14 2009
STATUS
approved