3363121domain: NAppears in sequencesPoulet numbers (2-pseudoprimes) of the form 7200*n^2 + 8820*n + 2701.at n=13A214016Record values in A265388.at n=43A265395Fermat pseudoprimes to base 2 that are hexagonal.at n=32A322130Numbers that are super pseudoprimes to both bases 2 and 3.at n=27A333130