25054domain: NAppears in sequencesNumbers k such that the period of the continued fraction for sqrt(k) contains exactly 96 ones.at n=23A031864Numbers k such that 5*10^k - 9 is prime.at n=16A103001Collatz trajectory starting at 3711.at n=5A179623Number of (n+5) X 8 0..1 matrices with each 6 X 6 subblock idempotent.at n=11A224572