790020domain: NAppears in sequencesNumber of labeled pure 2-complexes on n nodes (0-simplexes) with 5 2-simplexes and 8 1-simplexes.at n=17A054559Numbers with prime factorization pqrst^2u^3.at n=11A190390a(n) is the least number k such that A349497(k) = n, or -1 if no such k exists.at n=39A349498