24330

Appears in sequences

• Numbers n such that 213*2^n-1 is prime.at n=32A050858
• Number of distinct polynomials of degree < n and coefficients > 0 with solutions k >= 1 such that p(k) = n.at n=8A102433
• a(n) = 36*n^2 - 6.at n=25A158462
• The number of 2 X 2 symmetric positive definite matrices whose entries are integers x,y,z satisfying x^2 + y^2 + z^2 <= n^2.at n=36A219744
• a(n) = (n + 2)*(n^2 + n - 1).at n=28A318765
• Array read by antidiagonals: T(n,k) is the number of connected graphs on n labeled nodes, each node being colored with one of k colors, where no edge connects two nodes of the same color.at n=59A322279
• a(n) = Sum_{k=0..floor(2*n/7)} binomial(2*k+1,2*n-7*k).at n=32A392456