56597

Properties

Appears in sequences

• Prime number spiral (clockwise, East spoke).at n=38A054555
• If the least prime factor of ((prime(k)*prime(k+1))^2 + 1)/2 for k >= 2 is not yet in the sequence, then add it to the sequence.at n=33A077287
• a(n) = (n^6 - 126*n^5 + 6217*n^4 - 153066*n^3 + 1987786*n^2 - 13055316*n + 34747236)/36.at n=6A121888
• Primes of the form floor(k+A000217(k-1)*Pi), Pi = A000796, k integer.at n=31A163580
• Number of (w,x,y,z) with all terms in {1,...,n} and w*x < 2*y*z.at n=17A211795
• Primes of the form abs(1/(36)(n^6 - 126n^5 + 6217n^4 - 153066n^3 + 1987786n^2 - 13055316n + 34747236)) in order of increasing nonnegative n.at n=6A272555
• Numbers k such that (19*10^k - 43)/3 is prime.at n=20A294377
• Numbers k such that (50^k + 1)/51 is prime.at n=2A309413
• Primes p such that p^2 + 1 has more divisors than p^2 - 1.at n=36A358879
• Prime numbersat n=5739