45125
domain: N
Appears in sequences
- Numbers that factorize into a prime number of factors all raised to different prime exponents and no number appears both as an exponent and as a prime factor.at n=14A114131
- a(n) = (-1)^(n-1)*n*(4n^2-5)^2.at n=4A165935
- Powerful numbers (A001694) which can be written as the sum of two relatively prime 3-powerful numbers (A036966) different from 1.at n=9A210470
- Odd powerful numbers (A062739) k such that the next powerful number after k is also odd.at n=38A363190
- Powerful numbers k such that both k-1 and k+1 are in A126706.at n=27A378629
- Odd Achilles numbers.at n=32A390953