823570
domain: N
Appears in sequences
- If decimal expansion of n is ab...d, a(n) = a^a + b^b +...+ d^d.at n=37A045503
- If decimal expansion of n is ab...d, a(n) = a^a + b^b + ... + d^d (ignoring any 0's).at n=37A045512
- Numbers of the form a^a + b^b, a >= b > 0.at n=23A066846
- Numbers of the form a^a + b^b, with a > b > 0.at n=17A218346
- Numbers of the form a^a + b^b, a>=b>=0.at n=31A218347
- a(n) = Sum_{p|n, p prime} p^p.at n=20A351366
- Numbers that can be written as s^x + t^y, with 1 < s < t and {s,t} = {x,y}; that is, are of the form s^s + t^t or s^t + t^s.at n=46A385232
- Numbers of the form x^x + y^y, 1 < x < y.at n=11A385614