195408domain: NAppears in sequencesTheta series of Niemeier lattice of type A_1^24.at n=2A008704Larger of bi-unitary amicable pair.at n=28A292981Smallest starting x which reaches the Antihydra halting condition for the first time at 3*n+1 terms of the iteration x -> floor(3*x/2).at n=30A385150