161587

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 85 ones.at n=5A031853
• a(n) is the number of permutations of length n that avoid the pattern 231 and the mesh pattern (21, 337) or the same sequence for the mesh patterns (21, 339), (21, 369), (21, 371).at n=12A289448
• Number of sets of nonempty subsets of {1..n} with the same number of edges as covered vertices.at n=5A367916