A033318 Least D in the Pellian x^2 - D*y^2 = 1 for which y has least solution n.

3, 2, 7, 5, 23, 10, 47, 17, 79, 26, 119, 21, 167, 50, 176, 65, 287, 82, 359, 57, 88, 122, 527, 28, 623, 170, 727, 111, 839, 44, 959, 257, 216, 290, 1035, 183, 1367, 362, 19, 77, 1679, 22, 1847, 273, 208, 530, 2207, 456, 2399, 626, 128, 381, 2807, 730, 696

Offset

1,1

Links

Ray Chandler, Table of n, a(n) for n = 1..1008

N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)

Eric Weisstein's World of Mathematics, Pell Equation.

Crossrefs

Cf. A000037, A033317.

Sequence in context: A371795 A155046 A236388 * A093780 A101307 A283997

Adjacent sequences: A033315 A033316 A033317 * A033319 A033320 A033321

Keyword

nonn

Author

Eric W. Weisstein

Extensions

Better description from Lekraj Beedassy, Feb 26 2002

Status

approved