16780341domain: NAppears in sequencesNumbers of the form a^a + b^b, a >= b > 0.at n=32A066846Numbers of the form a^a + b^b, with a > b > 0.at n=25A218346Numbers of the form a^a + b^b, a>=b>=0.at n=41A218347Numbers of the form x^x + y^y, 1 < x < y.at n=18A385614