A042975 Decimal expansion of sqrt(0.121121112...), cf. A042974.

3, 4, 8, 0, 2, 4, 5, 8, 5, 4, 9, 8, 0, 9, 5, 3, 9, 4, 4, 2, 8, 8, 3, 3, 3, 6, 8, 4, 2, 4, 0, 9, 5, 7, 1, 9, 7, 2, 6, 4, 0, 7, 8, 7, 7, 2, 1, 2, 8, 6, 6, 2, 8, 1, 6, 0, 4, 5, 6, 3, 0, 3, 6, 4, 9, 7, 4, 4, 1, 4, 8, 2, 4, 2, 2, 0, 5, 7, 6, 4, 1, 3, 6, 0, 8, 7, 3, 9, 2, 7, 1, 3, 6, 8, 4, 3, 1, 6, 8

Offset

0,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

C. V. Eynden, Problem 10439. An irrational mimic of 1/9, Amer. Math. Monthly, 104 (1997), 873.

Mathematica

With[{c=FromDigits[Flatten[Most[Riffle[Table[PadRight[{}, n, 1], {n, 50}], 2]]]]}, RealDigits[Sqrt[c/10^IntegerLength[c]], 10, 120][[1]]] (* Harvey P. Dale, Oct 12 2013 *)

Crossrefs

Sequence in context: A011215 A093592 A131265 * A270107 A100231 A016609

Adjacent sequences: A042972 A042973 A042974 * A042976 A042977 A042978

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved