492884401domain: NAppears in sequencesa(n) = (6*n + 5)^4.at n=24A016972a(n) = (7*n + 2)^4.at n=21A017008a(n) = (8*n + 5)^4.at n=18A017128a(n) = (9*n + 5)^4.at n=16A017224a(n) = (10*n + 9)^4.at n=14A017380a(n) = (11*n + 6)^4.at n=13A017464a(n) = (12*n + 5)^4.at n=12A017584Fourth power of primes of the form 4k+1 (A002144).at n=15A080175