A093576 Smallest prime of the form n^j+(n+1)^k, with j,k integer, min(j,k)>1.

5, 13, 43, 41, 61, 379, 113, 593, 181, 14741, 16369, 313, 2393, 421, 3631, 83777, 613, 105337, 761, 9661, 205129, 1013, 12743, 1201, 1301, 20359, 1146097, 615497, 1741, 1861, 1049537, 2113, 2522257, 2381, 2521, 51949, 3959297, 56393, 3121, 2561681

Offset

1,1

Links

Table of n, a(n) for n=1..40.

Example

a(3)=43 because 3^3+4^2=43 is prime, whereas 3^2+4^2=25 is composite.

Crossrefs

Cf. A027862 primes of the form n^2+(n+1)^2, A093574, A093575.

Sequence in context: A105262 A298234 A129789 * A147259 A328740 A183315

Adjacent sequences: A093573 A093574 A093575 * A093577 A093578 A093579

Keyword

nonn

Author

Hugo Pfoertner, Apr 01 2004

Status

approved