A256407 Numbers n such that for some m, A166133(m)=n, A166133(m+1)=n^2-1, in increasing order.

3, 198, 270, 522, 570, 600, 822, 882, 1062, 1950, 2130, 2268, 2310, 2592, 2970, 3168, 5022, 5502, 6702, 7350, 9438, 10038, 10428, 10500, 14010, 14562, 15288, 16650, 17028, 17958, 18060, 18522, 19698, 19890, 20550, 20718, 20772, 22158, 22638, 23058, 23562, 24108, 25170, 25602

Offset: 1

Author

N. J. A. Sloane, Apr 01 2015

Keywords

• nonn

Comments

Subtracting 1 seems always to give a prime - see A256410.

Links

• Ray Chandler, Table of n, a(n) for n = 1..3258

Crossrefs

Cf. A166133, A256410. This is A256406 sorted into increasing order.