A382211 Prime of the form p^q + q^r + r^p, for primes p, q and r.

61, 181, 2557, 98057, 338323, 8389141, 48829699, 536871757, 1162268353, 2147484613, 2199023257237, 27368747340087430811, 196525143636054676607, 4656612873077421210401, 239072435917782732706099, 1978419655679387077928203, 9671406556917033397656301

Offset

1,1

Links

Table of n, a(n) for n=1..17.

Example

61=2^2+2^5+5^2, 181=2^2+2^7+7^2, 2557=3^3+3^7+7^3, 98057=5^5+5^7+7^5. The first prime constructed from three different primes is 338323=3^11+11^5+5^3.

Crossrefs

Subsequence of A123207.

Sequence in context: A087870 A121513 A139508 * A364716 A245865 A357780

Adjacent sequences: A382208 A382209 A382210 * A382212 A382213 A382214

Keyword

nonn

Author

Karst Koymans, Mar 18 2025

Status

approved