114270

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 26.at n=25A031704
• Number of labeled 3-node T_0-hypergraphs with n hyperedges (empty hyperedges and multiple hyperedges included).at n=14A059585
• Initial seeds x which will enter a cycle of length 4 under the iteration of x -> A063919(x), the sum of proper unitary divisors.at n=1A098187
• Expansion of 2*x*(1+x)*(1-2*x)/((1-x)^2*(1-2*x-x^2)).at n=13A133953
• a(n) = 676*n^2 + 2*n.at n=12A158385
• a(n) = 676*n^2 + 26.at n=13A158643
• a(n) = 169*n^2 + n.at n=25A173275