175077domain: NAppears in sequencesa(n) = 1 - (7/6)*n + (2/3)*n^3 + (1/2)*n^4.at n=24A046998Numbers n such that sopfr(n) = sopfr(n-1) + sopfr(n-2), where sopfr is the sum of prime factors of n with multiplicity (A001414).at n=24A294995