A130227 Smallest integer y satisfying the Pell equation x^2-ny^2=-1 for the values of n given in A031396.

1, 1, 1, 1, 5, 1, 1, 13, 1, 5, 1, 25, 13, 3805, 1, 125, 5, 1, 41, 53, 569, 1, 389, 851525, 73, 1, 61, 5, 149, 1, 9305, 385645, 1, 85, 82596761, 5, 126985, 1, 221, 17, 1, 113, 1517, 4574225, 281

Offset: 1

Author

Colin Barker, Aug 05 2007

Keywords

• nonn

Links

• Ray Chandler, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A031396, A130226.