29980

Appears in sequences

• Numbers k such that k and k^2 use only the digits 0, 2, 4, 8 and 9.at n=38A136909
• a(n) = 1000*n - 20.at n=29A157515
• Number of binary strings of length n with no substrings equal to 0000 0110 or 1011.at n=15A164440
• Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 5.at n=41A245145
• Number of bifurcating nodes at generation n in the binary tree of persistently squarefree numbers (see A293230).at n=36A293522
• Total sum of noncomposite parts in all partitions of n.at n=25A326958
• Number of edges among all distinct circles that can be constructed from the 4 vertices and the equally spaced 4*n points placed on the sides of a square, using only a compass.at n=3A372979
• Number of length n binary palindromic words which are not all zero in which 1's occur in blocks of at least 4.at n=49A386709