A004559 Expansion of sqrt(5) in base 6.

2, 1, 2, 2, 5, 5, 3, 5, 5, 3, 1, 5, 1, 3, 0, 3, 3, 4, 3, 1, 2, 4, 5, 1, 4, 3, 2, 0, 3, 4, 0, 2, 4, 0, 1, 3, 4, 5, 4, 0, 2, 5, 2, 1, 3, 2, 2, 3, 2, 0, 3, 3, 2, 5, 0, 2, 1, 5, 4, 4, 1, 1, 0, 1, 3, 2, 1, 5, 5, 0, 1, 0, 0, 0, 4, 5, 3, 1, 4, 1, 1, 2, 5, 1, 4, 2, 5, 0, 0, 0, 0, 1, 1, 3, 4, 5, 1, 3, 5

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• base
• cons

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..5000
• Jason Kimberley, Index of expansions of sqrt(d) in base b

Crossrefs

Cf. A002163, A004555, A004556, A004557, A004558.

Cf. A004540, A004549, A004575.

Programs

Magma

Prune(Reverse(IntegerToSequence(Isqrt(5*6^200), 6))); // Vincenzo Librandi, Jan 08 2018

Mathematica

RealDigits[Sqrt[5],6,120][[1]] (* Harvey P. Dale, Mar 24 2012 *)

Extensions

Updated by Alois P. Heinz at the suggestion of Kevin Ryde, Feb 19 2012