Carol/Kynea primes of the form: (20ⁿ±1)²-2

Reserved! This sequence is currently reserved by: Mark Rodenkirch

Current data

Base :	20
Max n :	74,000
Date :	2019-05-17
Reserved :	Mark RodenkirchMark Rodenkirch/Reserved

C 09 : 1, 2, 53, 183, 1281, 1300, 8041, 29936, 72820

K 12 : 1, 15, 44, 77, 141, 208, 304, 1169, 3359, 5050, 22431, 34935