142531domain: NAppears in sequencesCharacter of extremal vertex operator algebra of rank 23/2.at n=6A028532Least numbers k for each base b >= 2 such that N = b^(2^n) + k is prime for 7 consecutive values from n = 0 to n = 6.at n=4A225560Least number k such that 6^(2^i) + k is prime for i = 0,1,..,n-1.at n=6A226708