A383445 Index of n in A377090, or -1 if n does not appear there.

0, 3, 1, 5, 9, 15, 10, 16, 14, 17, 23, 21, 24, 22, 28, 31, 29, 36, 30, 35, 37, 43, 41, 47, 42, 48, 54, 49, 55, 61, 56, 62, 67, 63, 68, 66, 71, 75, 80, 76, 81, 79, 82, 89, 91, 88, 90, 92, 99, 93, 98, 100, 105, 111, 106, 112, 110, 113, 124, 122, 125, 123, 126, 128, 121, 127, 133, 138, 134, 139, 137, 147, 150, 148, 146, 149, 153

Offset: 0

Author

N. J. A. Sloane, Apr 30 2025

Keywords

• nonn

Comments

It is conjectured (see A377090) that every positive integer appears exactly once either here or in A383446.

Links

• N. J. A. Sloane, Table of n, a(n) for n = 0..4996

Crossrefs

Cf. A377090, A383446.