76466

Appears in sequences

• Number of permutations of length n which avoid the patterns 2341, 4312.at n=10A116704
• a(n) is the smallest unused number such that the RMS (Root Mean Square) of a(1) through a(n) is an integer.at n=45A141391
• Number of nX3 arrays containing 3 copies of 0..n-1 with every element equal to or 1 greater than any west or northeast neighbors modulo n and the upper left element equal to 0.at n=15A267737
• Number of polygon edges formed when every pair of vertices of a regular n-gon are joined by an infinite line.at n=25A344899
• Number of polygon edges formed when every pair of vertices of a regular 2n-gon are joined by an infinite line.at n=12A347322