343980
domain: N
Appears in sequences
- Numbers with prime factorization pqr^2s^2t^3.at n=17A190386
- a(n) = Product_{d|n} A019565(d)^[moebius(n/d) = -1].at n=69A300832
- a(1) = 1; for n > 1, a(n) = Product_{d|n} A019565(d)^[moebius(d) = +1].at n=69A320017
- a(1) = 27846; thereafter a(n+1) = a(n) # n, where # is an operation that cycles through division, addition, subtraction and multiplication.at n=20A327962