A151901 Singular indices in A139074.

9, 13, 22, 23, 72, 73, 74, 82, 83, 84, 85, 88

Offset: 1

Author

Artur Jasinski, Apr 12 2008

Keywords

• nonn

Comments

Definition: Singular indices in A139074 are numbers n such that it doesn't exist a prime p such that (n+p!)/n is prime or if this prime does exist then it is very big.

Crossrefs

Cf. A139074, A139206, A151900.