A138116 Triangle read by rows: row n lists the first n digits of the decimal expansion of golden ratio phi.

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

Offset

1,3

Comments

Also, successive digits of A011551.

Links

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

Example

Triangle begins:
      1
     1,6
    1,6,1
   1,6,1,8
  1,6,1,8,0

Mathematica

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

Crossrefs

Cf. A001622 (phi), A011551, A138072, A138073, A175834 (polynomial roots).

Sequence in context: A337464 A193239 A023406 * A348999 A349000 A344699

Adjacent sequences: A138113 A138114 A138115 * A138117 A138118 A138119

Keyword

easy,nonn,tabl,base

Author

Omar E. Pol, Mar 14 2008

Status

approved