69457

Properties

Appears in sequences

• [ (4th elementary symmetric function of S(n))/(2nd elementary symmetric of S(n)) ], where S(n) = {3,4, ..., n+5}.at n=38A024194
• Primes p such that the largest prime divisor of p^4+1 is less than p.at n=10A102326
• Primes p such that p == i mod d(i) where d(i) are the prime divisors of 2p+1.at n=22A281317
• Number of multisets of nonempty words with a total of n letters over septenary alphabet such that within each prefix of a word every letter of the alphabet is at least as frequent as the subsequent alphabet letter.at n=11A293737
• a(0) = a(1) = a(2) = a(3) = 1; thereafter a(n) = a(n-2) + a(n-3) + a(n-4).at n=31A306276
• Prime numbersat n=6894