78216

Appears in sequences

• Numbers k whose decimal representation, read as a base-18 value and divided by k, yields an integer.at n=37A032567
• Number of 1:3:sqrt(10) proportioned triangles on a (n+1) X (n+1) grid.at n=24A190102
• Number of (n+1) X (3+1) 0..2 arrays colored with the upper median value of each 2 X 2 subblock.at n=14A235949
• Number of inequivalent n X 3 binary matrices, where equivalence means permutations of rows or columns or the symbol set.at n=20A246148
• a(n) is the number of distinct triangles whose sides do not pass through a grid point and whose vertices are three points of an n X n grid.at n=42A372217