A214788 Numbers n such that n-3=A214787(n).

7, 8, 17, 23, 37, 53, 67, 73, 83, 97, 127, 157, 163, 167, 173, 197, 223, 227, 257, 277, 293, 313, 317, 337, 367, 373, 383, 433, 443, 457, 463, 467, 487, 523, 577, 593, 607, 613, 617, 643, 647, 653, 673, 683, 727, 733

Offset: 1

Author

Art DuPre, Aug 03 2012

Keywords

• nonn

Comments

Except for 8, these are all primes. This is still a conjecture.

Crossrefs

Cf. A214781, A214787