67479
domain: N
Appears in sequences
- Nearest integer to log(n^n)^(1 + log(n)).at n=10A062478
- Composite numbers n such that the sum of proper divisors of n divides 2^n+1.at n=20A278337
- a(n) = A276086(n)*A276086(sigma(n)-n) - A276086(sigma(n)), where A276086 is the primorial base exp-function, and sigma is the sum of divisors function.at n=20A388281