30407

Appears in sequences

• Numbers k such that 2*3^k + 35 is prime.at n=37A059768
• Smallest m such that A123699(m) = n.at n=19A123700
• Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutation A127388.at n=11A127386
• Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 3*x, p(n,x) = u*p(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - x - x^2.at n=52A367208