A065837 String formed from first n quaternary digits found in decimal expansion of Pi.

3, 31, 311, 3112, 31123, 311233, 3112332, 31123323, 311233232, 3112332323, 31123323233, 311233232333, 3112332323332, 31123323233320, 311233232333202, 3112332323332021, 31123323233320211, 311233232333202113, 3112332323332021133, 31123323233320211331, 311233232333202113310

Offset

1,1

Links

Table of n, a(n) for n=1..21.

Mathematica

Module[{qdp=If[#>3, Nothing, #]&/@RealDigits[Pi, 10, 100][[1]]}, Table[FromDigits[Take[qdp, n]], {n, Length[qdp]}]] (* Harvey P. Dale, Jul 08 2023 *)

Crossrefs

Cf. A000796, A011545, A011546, A055145, A065828-A065840.

Sequence in context: A222090 A037778 A037666 * A100894 A065533 A048550

Adjacent sequences: A065834 A065835 A065836 * A065838 A065839 A065840

Keyword

nonn,base

Author

Patrick De Geest, Nov 24 2001

Extensions

Offset changed to 1 and more terms from Jinyuan Wang, Aug 31 2021

Status

approved