131461

Appears in sequences

• Number of diagonal dissections of an n-gon into 3 regions.at n=33A033275
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, 0), (0, -1), (0, 1), (1, -1)}.at n=12A151262
• Complete list of numbers that take three steps to collapse to a single digit in base 3 (written in base 10).at n=9A253057
• a(n) = (n-1)*(n-2)*(n+3)*(n+2)/12.at n=35A299120
• 4-brilliant numbers with distinct prime factors.at n=28A376864