a(n) = the largest possible prime made by inserting either a 0 or a 1 anywhere in the binary representation of the n-th prime, then converting to decimal.
Discussion
Tue Mar 11
01:32
OEIS Server: https://oeis.org/edit/global/2122
Discussion
Wed Feb 05
20:19
OEIS Server: https://oeis.org/edit/global/2118
Discussion
Wed Feb 05
20:12
OEIS Server: https://oeis.org/edit/global/2117
Discussion
Fri Mar 30
17:30
OEIS Server: https://oeis.org/edit/global/154