Number of composite numbers around 8^n.
3, 5, 11, 5, 21, 7, 25, 45, 67, 37, 25, 35, 29, 25, 113, 79, 149, 191, 21, 125, 53, 13, 47, 107, 129, 17, 67, 37, 105, 165, 129, 77, 369, 299, 51, 91, 87, 53, 307, 569, 231, 143, 41, 413, 77, 191, 13, 257, 195, 149, 163, 187, 389, 119, 165, 343, 147, 9, 413, 61
1
T. D. Noe, Plot of 1000 terms
T. D. Noe, Table of 1000 terms
(Mma) Table[NextPrime[8^n] - NextPrime[8^n, -1] - 1, {n, 50}]
nonn
T. D. Noe, Mar 09 2015