A004587 Expansion of sqrt(10) in base 4.

3, 0, 2, 2, 1, 2, 0, 2, 3, 0, 0, 1, 3, 1, 1, 2, 3, 1, 0, 2, 3, 1, 2, 2, 2, 1, 1, 0, 2, 1, 0, 0, 0, 2, 1, 1, 0, 1, 1, 1, 3, 2, 1, 0, 0, 1, 2, 0, 1, 2, 1, 2, 3, 0, 3, 1, 3, 3, 3, 3, 1, 1, 0, 2, 2, 2, 3, 1, 0, 3, 2, 0, 0, 2, 2, 2, 3, 2, 2, 3, 3, 2, 0, 1, 2, 0, 0, 0, 0, 0, 1, 3, 0, 1, 1, 1, 3, 1, 1

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. A010467.

Programs

Magma

d:= 10; m:=4; Prune(Reverse(IntegerToSequence(Isqrt(d*m^100), m))); // G. C. Greubel, Mar 25 2018

Mathematica

RealDigits[Sqrt[10], 4, 100][[1]] (* G. C. Greubel, Mar 25 2018 *)