A004574 Expansion of sqrt(7) in base 7.

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

Offset

1,1

Links

G. C. Greubel, Table of n, a(n) for n = 1..10000 (terms 1..2000 from Vincenzo Librandi)

Jason Kimberley, Index of expansions of sqrt(d) in base b

Mathematica

RealDigits[Sqrt[7], 7, 100][[1]] (* G. C. Greubel, Mar 25 2018 *)

Prog

(Magma) Prune(Reverse(IntegerToSequence(Isqrt(7*7^200), 7))); // Vincenzo Librandi, Apr 28 2017

Crossrefs

Cf. A010465.

Sequence in context: A235590 A069655 A353706 * A333401 A073127 A339099

Adjacent sequences: A004571 A004572 A004573 * A004575 A004576 A004577

Keyword

nonn,base,cons

Author

N. J. A. Sloane

Extensions

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

Status

approved