398108domain: NAppears in sequencesPowers of fifth root of 10 rounded up.at n=28A018143Smallest k such that (k+i)*prime(n)# - 1 is prime for i = 0, 1, 2, 3, 4 with prime(n)# = A002110(n) the n-th primorial, n>1.at n=26A277691