34770

Appears in sequences

• Numbers k such that 207*2^k + 1 is prime.at n=48A032480
• Least k such that Product_{i=1..k} (prime(i) + 1) >= n*Product_{i=1..k} prime(i).at n=13A072986
• Expansion of x*(1 + 4*x + x^2)/((1 - x)^5*(1 + x)^4).at n=36A290055
• Number of anti-binary (no binary branchings) unlabeled rooted trees with n nodes.at n=16A303023
• a(n) = 108*n^2 - 228*n + 114 (n>=2).at n=17A304618
• a(n) is the number of lattice paths from (0,0) to (3n,2n) using only the steps (1,0) and (0,1) and which do not touch any other points of the form (3k,2k).at n=4A337351
• Numbers with binary expansion Sum_{k = 0..w} b_k * 2^k such that the polynomial Sum_{k = 0..w} (X+k)^2 * (-1)^b_k is constant.at n=38A337672