A328516 a(n) = A039993(A179239(n)).
0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 3, 1, 1, 1, 3, 0, 1, 1, 1, 3, 1, 2, 1, 2, 1, 2, 1, 1, 2, 3, 1, 4, 2, 1, 0, 0, 1, 0, 2, 0, 0, 1, 1, 1, 2, 1, 2, 0, 0, 2, 0, 0, 1, 1, 1, 3, 0, 0, 1, 0, 0, 0, 2, 1, 4, 2, 1, 2, 5, 0, 2, 1, 3, 7, 2, 3, 2, 4, 3, 4, 1, 5, 4, 4, 2, 6, 3, 3, 5, 6, 5, 7, 11
Offset: 0
Examples
a(95) = 11 as A039993(A179239(95)) = A179239(137) and the embedded primes in the permutations of the digits are the eleven primes {3, 7, 13, 17, 31, 37, 71, 73, 137, 173, 317}.
Links
- David A. Corneth, Table of n, a(n) for n = 0..10000
Comments