20528640

Appears in sequences

• Amicable numbers k that can be expressed as a sum k = x+y = A001065(x) + A001065(y) and a sum k = z+t = A001065(z) + A001065(t) where (x, y, z, t) are parts of two amicable pairs and A001065(i) is the sum of the aliquot parts of i.at n=2A359334
• a(n) is the least number k such that A377208(k) = n, or -1 if no such number exists.at n=10A377211