A138114 Triangle read by rows: row n lists the first n digits of the decimal expansion of Pi.

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

Offset

1,1

Links

Table of n, a(n) for n=1..78.

Example

Triangle begins:
..... 3
.... 3,1
... 3,1,4
.. 3,1,4,1
. 3,1,4,1,5

Mathematica

s={}; Do[AppendTo[s, RealDigits[Pi, 10, n][[1]]], {n, 12}]; s//Flatten (* James C. McMahon, Jun 05 2025 *)

Crossrefs

Cf. A000796, A138070, A138071.

Sequence in context: A123561 A323626 A133695 * A124330 A055177 A030778

Adjacent sequences: A138111 A138112 A138113 * A138115 A138116 A138117

Keyword

easy,nonn,tabl,base

Author

Omar E. Pol, Mar 14 2008

Status

approved