A179595 Primes p such that p plus or minus the sum of the fourth powers of its digits is a prime in both cases.

211, 1423, 1531, 2011, 3511, 3571, 4051, 4651, 5081, 6217, 6277, 6451, 7351, 10883, 12689, 13183, 13873, 14083, 15031, 16267, 16843, 16889, 17299, 17383, 17929, 18803, 18869, 19213, 19219, 19237, 20011, 20743, 21001, 21139, 21391, 21803

Offset

1,1

Links

Table of n, a(n) for n=1..36.

Example

a(3)=1531 since 1531-(1^4+5^4+3^4+1^4)=1531-708=823 is prime and 1531+708=2239 is prime.

Crossrefs

Sequence in context: A104299 A032632 A241959 * A137872 A053072 A303092

Adjacent sequences: A179592 A179593 A179594 * A179596 A179597 A179598

Keyword

nonn,base

Author

Carmine Suriano, Jul 20 2010

Status

approved