34579
domain: N
Appears in sequences
- Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite PAU = Paulingite (K2,Ca,Na2)76[Al152Si520O1344] starting with a T1 atom.at n=6A019049
- Smallest solution m to (n+1)*phi(m) = n*sigma(m), or -1 if no solution exists.at n=44A065824
- a(n) = A065824(A047845(n+1)).at n=21A065884
- a(n) is the smallest number k larger than a(n-1) such that n*d(k)*sopf(k)=sigma(k), where d is the number of divisors (A000005) and sopf the sum of prime factors without repetition (A008472).at n=22A134382
- Fibonacci sequence beginning 14, 13.at n=17A206564
- a(n) is the least integer k such that sigma(k)/(d(k)*sopf(k)) = n where d=A000005, sigma=A000203 and sopf=A008472.at n=22A328174
- Main diagonal of A332363.at n=24A332364