A115511 Inverse permutation to sequence A115510.

1, 3, 2, 5, 6, 4, 7, 9, 8, 10, 11, 12, 13, 14, 15, 17, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 33, 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 65, 64, 66, 67, 68, 69, 70, 71, 72

Offset: 1

Author

Leroy Quet, Jan 23 2006

Keywords

• easy
• nonn

Examples

			A115510(4) = 6, hence a(6) = 4; A115510(5) = 4, hence a(4) = 5; A115510(6) = 5, hence a(5) = 6.
		

Crossrefs

Cf. A115510.

Extensions

Corrected and extended by Klaus Brockhaus, Jan 24 2006