109179

Appears in sequences

• Composite numbers with four prime factors (not necessarily distinct) whose concatenation yields a palindrome.at n=25A046453
• Number of 4 X n 0..2 arrays with no element equal to the sum of elements to its left or one plus the sum of the elements above it, modulo 3.at n=33A239031
• Number of distinct proper angles that can be formed by a vertex and two leg endpoints on grid points in an n X n square grid.at n=29A252591