A004575 Expansion of sqrt(7) in base 8.

2, 5, 1, 2, 4, 7, 7, 6, 5, 1, 6, 4, 5, 7, 4, 3, 5, 1, 5, 5, 7, 0, 7, 1, 6, 5, 1, 7, 6, 3, 0, 3, 7, 6, 0, 6, 7, 5, 0, 4, 0, 6, 5, 2, 4, 5, 1, 6, 7, 7, 7, 4, 7, 5, 5, 7, 0, 2, 0, 2, 5, 6, 7, 7, 4, 4, 3, 4, 3, 2, 2, 4, 6, 7, 7, 5, 0, 7, 0, 5, 5, 7, 6, 2, 2, 5, 1, 1, 6, 2, 6, 6, 4, 0, 2, 1, 4, 4, 7, 1, 1, 3

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• base
• cons
• easy

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

Prune(Reverse(IntegerToSequence(Isqrt(7*8^204),8))); // Jason Kimberley, Feb 19 2012

Mathematica

RealDigits[Sqrt[7],8,120][[1]] (* Harvey P. Dale, Jan 04 2018 *)

Extensions

More terms from Jason Kimberley, Feb 27 2012