3589384domain: NAppears in sequencesValues of k such that 100k+1, 100k+3, 100k+7, 100k+9, 100k+13, 100k+27 are primes.at n=29A216291Leading diagonal of triangle in A259689: a(n)= number of permutations without overlaps that generate exactly 2 permutations without overlaps in a(n+1).at n=16A260785