First of two consecutive (primes of the form n^2+1) with no semiprime of the same form between them.
A242109
First of two consecutive (primes of the form n^2+1) with no semiprime of the same form between them.
Terms
- a(0) =2a(1) =2917a(2) =13457a(3) =15377a(4) =15877a(5) =21317a(6) =78401a(7) =147457a(8) =190097a(9) =215297a(10) =217157a(11) =287297a(12) =401957a(13) =414737a(14) =577601a(15) =1299601a(16) =1308737a(17) =1313317a(18) =1378277a(19) =1547537a(20) =1623077a(21) =1664101a(22) =1731857a(23) =1742401a(24) =1822501a(25) =1887877a(26) =1976837a(27) =2044901a(28) =2390117a(29) =2421137
External references
- oeis: A242109