528000domain: NAppears in sequencesa(0) = 1 and a(n) = A180000(n)*a(floor(n/2))^2 for n > 0.at n=22A205958a(0) = 1 and a(n) = A180000(n)*a(floor(n/2))^2 for n > 0.at n=23A205958Sequence A255412 sorted into ascending order, with duplicates removed.at n=28A254035a(n) = A000203(A255334(n)).at n=32A255412