-823542
domain: Z
Appears in sequences
- a(n) = 1 - n^7.at n=7A024005
- a(n) = Sum_{d|n} mu(d) * d^d.at n=6A307653
- a(n) = Product_{p|n, p prime} (1 - p^p).at n=6A307654
- a(n) = Sum_{d|n} mu(d)*d^n.at n=6A321222
- a(n) = Sum_{d|n, d==1 mod 4} d^7 - Sum_{d|n, d==3 mod 4} d^7.at n=6A321823
- a(n) = Sum_{d|n, d==1 mod 4} d^7 - Sum_{d|n, d==3 mod 4} d^7.at n=13A321823
- a(n) = Sum_{d|n, d==1 mod 4} d^7 - Sum_{d|n, d==3 mod 4} d^7.at n=27A321823
- a(n) = a^a - b^b + c^c - ... -+ d^d where the decimal expansion of n is abc...d.at n=17A344658