A004590 Expansion of sqrt(10) in base 7.

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

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• base
• cons
• easy

Examples

			3.106442542631461...
		

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. A010467.

Programs

Magma

Prune(Reverse(IntegerToSequence(Isqrt(10*7^200),7))); // Jason Kimberley, Feb 19 2012

Mathematica

RealDigits[Sqrt[10], 7, 105][[1]] (* Alonso del Arte, Jul 31 2014 *)

Extensions

a(72) onwards corrected by Sean A. Irvine, Jan 29 2016