110592000domain: NAppears in sequencesa(n) = n^3*2^n.at n=15A128789Cubes c(n) such that cube(n)-square(n)-1 and cube(n)+square(n)+1 are primes.at n=19A155930a(n) is the least number k such that A349258(k) = n.at n=21A349260