A108228 a(n) = (A003961(n) - 1)/2, a permutation of the nonnegative integers.

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

Links

Table of n, a(n) for n=1..69.

Crossrefs

Cf. A003961. Equals A048673(n)-1.

Sequence in context: A258237 A361939 A371237 * A127008 A199535 A064274

Adjacent sequences: A108225 A108226 A108227 * A108229 A108230 A108231

Keyword

nonn

Author

Leroy Quet, Jun 16 2005

Status

approved