43069

Appears in sequences

• Counterexamples to the conjecture that an even, prime-indexed triangular plus 1 equals a prime or that an odd, prime-indexed triangular minus 2 equals a prime.at n=23A097785
• Numbers n such that n^2 = 37*m^2 + 37*m +1.at n=4A105843
• Absolute difference of numerator and denominator of Bernoulli(2*n), n >= 0.at n=9A162173
• Smallest k such that both of the consecutive Woodall numbers A003261(k) and A003261(k+1) are divisible by A014662(n), the n-th prime p with even order of 2 mod p.at n=41A287145