A105377 - OEIS

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A105377

Primes from merging of 4 successive digits in decimal expansion of Zeta(2) or (Pi^2)/6.

6449, 4493, 5189, 9901, 2293, 3833, 6197, 9623, 3371, 3719, 9067, 6287, 7879, 9463, 8317, 1733, 7333, 3677, 5479, 5879, 2777, 6323, 6367, 6709, 1009, 8783, 4451, 6833, 5879, 3929, 4721, 7219, 1979, 4091, 2083, 8263, 6389, 3797, 3583, 3343, 2081, 4877

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

The first 10,000 digits of Zeta(2) as calculated by Simon Plouffe at WorldWideSchool.org.

Eric Weisstein's World of Mathematics, Riemann Zeta Functions.

MATHEMATICA

Select[FromDigits /@ Partition[RealDigits[Zeta[2], 10, 500][[1]], 4, 1], # > 999 && PrimeQ[#] &] (* Vincenzo Librandi, Apr 27 2013 *)

CROSSREFS

Cf. A013661.

Sequence in context: A025040 A236092 A074978 * A248998 A256090 A067928