A078154 Primes of the form A004154(n) + 1.

2, 3, 7, 13, 73, 871782913, 1307674369, 62044840173323943937, 33078854415193864122595302822125378214568325182093497117061192683541123570097156545925087233

Offset

1,1

Comments

More precisely, scan A004154, add 1 and record the answer if it is a prime. The sequence may not be monotonic.

The next term is too large to include.

Links

Table of n, a(n) for n=1..9.

Prog

(Magma) [a: n in [1..100] | IsPrime(a) where a is Factorial(n) div 10^Valuation(Factorial(n), 5)+1]; // Vincenzo Librandi, Jun 03 2016

Crossrefs

Cf. A004154, A078203, A078190, A078305.

Sequence in context: A058017 A049536 A065508 * A192611 A254461 A048463

Adjacent sequences: A078151 A078152 A078153 * A078155 A078156 A078157

Keyword

nonn,base

Author

Cino Hilliard, Dec 23 2002

Extensions

More terms from Joshua Zucker, Jan 11 2006

Status

approved