823537
domain: N
Appears in sequences
- Pile of coconuts problem: (n-1)*(n^n - 1), n even; n^n - n + 1, n odd.at n=6A002021
- a(n) = n^n - n + 1.at n=6A006091
- RMS numbers: numbers n such that root mean square of divisors of n is an integer.at n=30A140480
- Primitive RMS numbers: RMS numbers which are not the product of two smaller RMS numbers.at n=15A141813
- Composite RMS numbers: composite numbers c such that root mean square of divisors of c is an integer.at n=26A158287
- a(n) = 7^n-6.at n=6A164783
- Numbers m such that the arithmetic mean and the quadratic mean (the root mean square) of the divisors of m are both integers.at n=30A327055