A293173 Markoff spectrum N^(5)(Lambda).

1, 2, 5, 13, 17, 34, 41, 85, 89, 233, 305, 386, 481, 610, 937, 1213, 1597, 1762, 3653, 4181, 5473, 6850, 8077, 8321, 8857, 10946, 21029, 21506, 28657, 40097, 47125, 75025, 75725, 98209, 116881, 143525, 155557, 156994, 196418, 203321, 294754, 357253, 375449

Offset

1,2

Links

Xianwen Wang, Table of n, a(n) for n = 1..10000

Ryuji Abe and Benoît Rittaud, On palindromes with three or four letters associated to the Markoff spectrum, Discrete Mathematics, 340.12 (2017): 3032-3043.

Crossrefs

Cf. A002559, A293174.

Sequence in context: A031439 A087952 A124255 * A079936 A363750 A102854

Adjacent sequences: A293170 A293171 A293172 * A293174 A293175 A293176

Keyword

nonn

Author

N. J. A. Sloane, Oct 19 2017

Extensions

a(16) and beyond from Xianwen Wang, Jul 24 2025

Status

approved