A229199 Beginning position of n in the decimal expansion of sqrt(2).

14, 1, 5, 7, 2, 8, 9, 12, 19, 15, 77, 187, 114, 6, 1, 97, 22, 56, 43, 248, 29, 5, 115, 10, 27, 293, 139, 93, 234, 116, 13, 55, 69, 307, 90, 7, 126, 11, 81, 279, 243, 2, 4, 91, 141, 220, 74, 71, 18, 121, 16, 236, 189, 46, 311, 129, 8

Offset

0,1

Links

Eric W. Weisstein, Table of n, a(n) for n = 0..999

Eric Weisstein's World of Mathematics, Constant Digit Scanning

Eric Weisstein's World of Mathematics, Pythagoras's Constant Digits

Mathematica

Flatten[With[{s2=RealDigits[Sqrt[2], 10, 500][[1]]}, Table[SequencePosition[s2, IntegerDigits[n], 1], {n, 0, 60}]], 1][[;; , 1]] (* Harvey P. Dale, Nov 04 2025 *)

Crossrefs

Cf. A002193 (decimal expansion of sqrt(2)).

Sequence in context: A040205 A171693 A235704 * A040206 A040207 A036163

Adjacent sequences: A229196 A229197 A229198 * A229200 A229201 A229202

Keyword

nonn,base,less

Author

Eric W. Weisstein, Sep 15 2013

Status

approved