35730

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 42.at n=8A031720
• a(n) = 81*n^2 + 9.at n=20A157888
• Triangle T(n,m)= A141686(n,m)*(m-1)! read by rows, n>=1, 1<=m<=n.at n=23A177428
• Number of -n..n arrays x(0..2) of 3 elements with nonzero sum and with zero through 2 differences all nonzero.at n=16A200166
• G.f. A(x) satisfies: 1 = Sum_{n>=0} binomial((n+1)^2,n)/(n+1)^2 * x^n / A(x)^((n+1)^2).at n=6A299434
• Midpoints k of a pair of twin primes such that sigma(k) is also the midpoint of a pair of twin primes.at n=41A349981