95160domain: NAppears in sequencesNumber of solutions to c(1)*prime(1) + ... + c(n)*prime(n) = 1, where c(i) = +-1 for i > 1, c(1) = 1.at n=25A022895Sum of the principal diagonals of a 2n X 2n square spiral.at n=26A137931Maximal coefficient of (1 + x^3) * (1 + x^5) * (1 + x^7) * ... * (1 + x^prime(n)).at n=26A369708