A256422 Numbers n such that A166133(n) sets a new record and also satisfies A166133(n)=A166133(n-1)^2-1.

5, 293, 331, 616, 745, 983, 1076, 1672, 2177, 2821, 3599, 6591, 7804, 10174, 11629, 13141, 13397, 15589, 17767, 18814, 19859, 21112, 21247, 23242, 24785, 34351, 36447, 40122, 45630, 48033, 51235, 51519, 61179, 63826, 73394, 78624, 80112, 88259, 89607, 102217, 115981, 119167

Offset: 1

Author

N. J. A. Sloane, Apr 08 2015

Keywords

• nonn

Comments

A subsequence of A256404.

The points (A256422(i), A256423(i)) form the upper envelope of A166133.

Examples

			A166133(5) = 8 = A166133(4)^2-1 = 9-1.
		

Links

• N. J. A. Sloane and Ray Chandler, Table of n, a(n) for n = 1..127 (first 100 terms from N. J. A. Sloane)
• N. J. A. Sloane and others, "Blog" about A166133

Crossrefs

Cf. A166133, A256423, A256404, A256403, A256703.

Formula

Intersection of A256404 and A256703+1. - Ray Chandler, Apr 13 2015