A011551 Decimal expansion of phi truncated to n places.

1, 16, 161, 1618, 16180, 161803, 1618033, 16180339, 161803398, 1618033988, 16180339887, 161803398874, 1618033988749, 16180339887498, 161803398874989, 1618033988749894, 16180339887498948, 161803398874989484, 1618033988749894848, 16180339887498948482

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Mathematica

With[{phi=RealDigits[GoldenRatio, 10, 50][[1]]}, Table[FromDigits[ Take[ phi, n]], {n, 20}]] (* Harvey P. Dale, Feb 03 2012 *)

Prog

(PARI) my(phi=quadgen(5)); a(n) = floor(phi*10^n); \\ Kevin Ryde, Jun 05 2021

Crossrefs

Cf. A001622 (phi), A138116 (triangle of digits), A195607 (fraction), A276198 (next prime).

Palindromes: A135699, A135700.

Sequence in context: A000811 A041484 A283687 * A335175 A238533 A085538

Adjacent sequences: A011548 A011549 A011550 * A011552 A011553 A011554

Keyword

nonn,base

Author

N. J. A. Sloane.

Status

approved