216398
domain: N
Appears in sequences
- Position of prime(n)# in A025487.at n=19A098719
- Expansion of -x*(x-1)*(3*x+1) / (9*x^4-8*x^2+1).at n=14A174988
- Squarefree numbers k such that alpha(k) = lambda(k), where alpha(k) = LCM of all (p+1) for primes p dividing k, and lambda(k) = A002322(k).at n=21A287514
- Inverse permutation to A181815.at n=66A329901
- Inverse permutation to A341351.at n=35A341352