1187550
domain: N
Appears in sequences
- Seventh column (m=6) of (1,6)-Pascal triangle A096956.at n=24A097297
- a(n) = 10*binomial(n+4, 5).at n=25A266732
- a(n) = sigma_2(n)*sigma_3(n)/sigma(n).at n=33A320917
- Unitary arithmetic numbers k whose mean unitary divisor is a unitary divisor of k.at n=16A353039
- a(n) = 420*(3*n)!/(n!*(2*n + 3)!).at n=10A361040
- Infinitary arithmetic numbers k whose mean infinitary divisor is an infinitary divisor of k.at n=20A361387
- Bi-unitary arithmetic numbers k whose mean bi-unitary divisor is a bi-unitary divisor of k.at n=32A361787