A278738 a(n) is the index of the first occurrence of -n in A166006.

7, 10, 11, 12, 39, 48, 53, 54, 57, 58, 69, 72, 77, 86, 91, 92, 101, 102, 103, 104, 115, 130, 135, 138, 139, 140, 141, 142, 145, 148, 155, 156, 159, 160, 163, 164, 169, 196, 197, 198, 201, 202, 203, 204, 273, 274, 275, 276, 279, 280, 281, 306, 307, 308, 309, 312, 1955

Offset: 1

Author

Hans Havermann, Nov 27 2016

Keywords

• nonn

Comments

These are necessarily the indices of record minima in A166006.

Examples

			-3 first occurs in A166006 at position 11, so a(3) = 11.
		

Links

• Hans Havermann, Table of n, a(n) for n = 1..10000
• Hans Havermann, Table of n, a(n) for n = 1..162168

Crossrefs

Cf. A166006, A039624, A278737.