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A108228
a(n) = (A003961(n) - 1)/2, a permutation of the nonnegative integers.
7
0, 1, 2, 4, 3, 7, 5, 13, 12, 10, 6, 22, 8, 16, 17, 40, 9, 37, 11, 31, 27, 19, 14, 67, 24, 25, 62, 49, 15, 52, 18, 121, 32, 28, 38, 112, 20, 34, 42, 94, 21, 82, 23, 58, 87, 43, 26, 202, 60, 73, 47, 76, 29, 187, 45, 148, 57, 46, 30, 157, 33, 55, 137, 364, 59, 97, 35, 85, 72
OFFSET
1,3
CROSSREFS
Cf. A003961. Equals A048673(n)-1.
Sequence in context: A361939 A371237 A377094 * A127008 A199535 A064274
KEYWORD
nonn
AUTHOR
Leroy Quet, Jun 16 2005
STATUS
approved