29857

Appears in sequences

• Pseudoprimes to base 7.at n=36A005938
• Strong pseudoprimes to base 7.at n=9A020233
• Strong pseudoprimes to base 49.at n=13A020275
• Strong pseudoprimes to base 66.at n=12A020292
• Quartan semiprimes: semiprimes of the form x^4 + y^4, x>0, y>0.at n=23A182277
• Euler pseudoprimes to base 7: composite integers such that abs(7^((n - 1)/2)) == 1 mod n.at n=23A262054
• a(n) = 2*p(n)*p(n+2) - p(n+1)^2 where p(k) = k-th prime.at n=38A324795