66397domain: NAppears in sequencesStrong pseudoprimes to base 44.at n=37A020270Strong pseudoprimes to base 46.at n=37A020272Strong pseudoprimes to base 65.at n=29A020291Strong pseudoprimes to base 77.at n=19A020303Number of integer compositions of n whose leaders of weakly increasing runs are identical.at n=19A374631