1755001
domain: N
Appears in sequences
- Poulet numbers (2-pseudoprimes) of the form 7200*n^2 + 8820*n + 2701.at n=9A214016
- Squarefree numbers (from A005117) with prime divisors in a 2p-1 progression.at n=34A231814
- Record values in A265388.at n=35A265395
- Fermat pseudoprimes to base 2 that are triangular.at n=26A293622
- Fermat pseudoprimes to base 2 that are hexagonal.at n=25A322130
- Odd numbers > 1, not powers of primes, for which A326147(n) is equal to abs(A326146(n)).at n=42A326148
- Chebyshev pseudoprimes to both base 2 and base 3: composite numbers k such that T(k, 2) == 2 (mod k) and T(k, 3) == 3 (mod k), where T(k, x) is the k-th Chebyshev polynomial of the first kind.at n=32A330208
- Numbers that are super pseudoprimes to both bases 2 and 3.at n=18A333130
- Record values in A346599.at n=38A346601
- Triangular numbers that are emirpimes.at n=29A375385