A004573 Expansion of sqrt(7) in base 6.

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

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• base
• cons

Links

• G. C. Greubel, Table of n, a(n) for n = 1..10000
• Jason Kimberley, Index of expansions of sqrt(d) in base b

Crossrefs

Cf. A010465.

Programs

Magma

d:= 7; m:=6; Prune(Reverse(IntegerToSequence(Isqrt(d*m^100), m))); // G. C. Greubel, Mar 26 2018

Mathematica

RealDigits[Sqrt[7], 6, 100][[1]] (* G. C. Greubel, Mar 26 2018 *)

Extensions

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