A360004 Sequence of composite digits as they appear in Pi.

4, 9, 6, 8, 9, 9, 8, 4, 6, 6, 4, 8, 9, 8, 8, 4, 9, 6, 9, 9, 9, 8, 9, 4, 9, 4, 4, 9, 8, 6, 4, 6, 8, 6, 8, 9, 9, 8, 6, 8, 4, 8, 4, 6, 9, 8, 4, 8, 8, 6, 8, 6, 6, 4, 9, 8, 4, 4, 6, 9, 8, 9, 4, 8, 8, 4, 8, 4, 8, 4, 9, 8, 9, 6, 4, 4, 6, 9, 4, 8, 9, 4, 9, 8, 9, 6, 4, 4, 8, 8, 9, 6, 6, 9, 4, 4, 6, 8, 4

Offset

1,1

Links

Miles Galvin, Table of n, a(n) for n = 1..10000

Example

Pi = 3.14159265358... so we get 4, 9, 6, 8, ...

Mathematica

Select[First[RealDigits[N[Pi, 225]]], CompositeQ] (* Stefano Spezia, Jan 21 2023 *)

Crossrefs

Cf. A000796, A002808, A073264, A086385, A086399.

Sequence in context: A168608 A200383 A199513 * A236022 A075635 A362213

Adjacent sequences: A360001 A360002 A360003 * A360005 A360006 A360007

Keyword

nonn,base,easy

Author

Miles Galvin, Jan 21 2023

Status

approved