A105376 - OEIS

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A105376

Primes from merging of 3 successive digits in decimal expansion of Zeta(2) or (Pi^2)/6.

449, 643, 647, 241, 151, 251, 499, 773, 229, 293, 937, 383, 619, 197, 587, 431, 233, 337, 719, 787, 463, 683, 317, 173, 733, 367, 677, 509, 251, 547, 479, 811, 587, 823, 277, 761, 619, 191, 919, 587, 769, 563, 367, 709, 971, 859, 593, 163, 647, 887, 251

(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]], 3, 1], # > 99 && PrimeQ[#] &] (* Vincenzo Librandi, Apr 27 2013 *)

CROSSREFS

Cf. A013661.

Sequence in context: A142420 A319060 A339532 * A325083 A243402 A135073