A173648 Primes found in decimal expansion of 1/e.

3, 367, 36787, 367879, 367879441171442321595523770161460867445811131031767834507

Offset

1,1

Comments

Primes found in A068985.

The next prime a(6)= 3678794411714...49545323 has 236 digits.

Links

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

Example

1/e=0.367879441171442321595523...  so  a(1)=3 ; a(2)=367.

Maple

Digits := 100; n0 := evalf(1/exp(1)); for i from 1 to 500 do x := trunc(10^i*n0):
  if isprime(x) then printf(`%d, `, x): fi: od:

Crossrefs

Cf. A001113 A068985.

Sequence in context: A324427 A304285 A324269 * A110717 A068988 A136025

Adjacent sequences: A173645 A173646 A173647 * A173649 A173650 A173651

Keyword

nonn,base

Author

Michel Lagneau, Nov 24 2010

Status

approved