Number of primes contained in the concatenations of the length-1 to length-n partial permutations of {1,..., n}.
A224716
Number of primes contained in the concatenations of the length-1 to length-n partial permutations of {1,..., n}.
Terms
- a(0) =0a(1) =1a(2) =5a(3) =14a(4) =36a(5) =119a(6) =1336a(7) =5056a(8) =43089a(9) =519812a(10) =3368023a(11) =30019238a(12) =645814311
External references
- oeis: A224716