A122422 Numbers n such that first n digits of Soldner's constant gives a prime number.

4, 144, 227, 444, 19474

Offset

1,1

Links

Table of n, a(n) for n=1..5.

Eric Weisstein's World of Mathematics, Constant Primes

Eric Weisstein's World of Mathematics, Integer Sequence Primes

Eric Weisstein's World of Mathematics, Soldner's Constant

Crossrefs

Cf. A070769, A122421.

Sequence in context: A231949 A239248 A225133 * A307703 A277948 A083688

Adjacent sequences: A122419 A122420 A122421 * A122423 A122424 A122425

Keyword

nonn,more,base

Author

Eric W. Weisstein, Sep 03 2006

Extensions

a(5) = 19474 from Eric W. Weisstein, Sep 06 2006

Status

approved