1073741856domain: NAppears in sequencesDirichlet convolution of b_n=2^(n-1) with sigma(n).at n=30A034737a(n) = 1 + 2^(n-1) + n for n > 0, a(0) = 2.at n=31A052968a(n) = 32*(2^n + 1).at n=25A175163Numbers that can be represented as both x^y + x and b^c + b + c, for some b, c, x, y > 1.at n=4A253917