34381

Properties

Appears in sequences

• Primes p that have exactly three primitive roots that are not primitive roots mod p^2.at n=15A060519
• Number of fixed directed convex polyominoes with n cells.at n=12A067676
• Integers with mutual residues -9.at n=3A110463
• Prime numbers p such that p +- ((p-1)/3) are primes.at n=31A137703
• Number of binary strings of length n with no substrings equal to 0000 0001 or 0010.at n=14A164407
• Number of (n+3)X10 binary arrays with every 4X4 subblock commuting with each horizontal and vertical neighbor 4X4 subblock.at n=12A188103
• Primes of the form 7n^3-10.at n=1A200955
• Primes p such that p = 361 + 420*k for some k.at n=32A217656
• Primes p such that b=2*p+1 is semiprime, c=2*b+1 is 3-almost prime and d=2*c+1 is 4-almost prime.at n=31A235646
• Value of prime number D for incrementally largest values of minimal x satisfying the equation x^2 - D*y^2 = 5.at n=26A341079
• Value of prime number D for incrementally largest values of minimal y satisfying the equation x^2-D*y^2=5.at n=23A341081
• a(n) = Sum_{k=0..floor(n/4)} Stirling2(k,n - 4*k).at n=47A357941
• Consecutive states of the linear congruential pseudo-random number generator (1277*s + 24749) mod 117128 when started at s=1.at n=28A385357
• First of four consecutive primes with product p and sum s such that |s^2-p| and s^2+p are both prime.at n=18A391121
• Prime numbersat n=3675