1411410
domain: N
Appears in sequences
- Smallest j with n nodes in its riff (rooted index-functional forest).at n=23A062860
- Products of 7 distinct primes (squarefree 7-almost primes).at n=20A123321
- a(n) = rad(A143176(n)).at n=46A144361
- Numbers that are divisible by exactly 7 distinct primes.at n=23A176655
- Product of all distinct least part primes from all partitions of n into prime parts.at n=47A333129
- G.f. A(x) satisfies A(x) = 1 + x + x^4*A(x)^2.at n=41A366554
- a(n) = A000032(n)*A000045(n)*A000108(n).at n=8A373622
- Smallest k for which A389781(k) = n.at n=19A388296