17229713

Appears in sequences

• Numbers n such that Sum(1/d*_n)>Sum(1/d*_m) for all m<n, where d*_n and d*_m are the anti-divisors of n and m.at n=29A192294
• a(n) = ((2*n + 1)!! + 1)/2.at n=8A193651
• a(n) = ((2*n-1)!! + (-1)^((n-1)*(n-2)/2))/2.at n=8A220092