20157

Appears in sequences

• Number of ways to partition n elements into pie slices of different sizes of at least 2 allowing the pie to be turned over.at n=43A032230
• a(n) = A160799(n)/4.at n=42A160807
• Number of 0..n arrays of length 6 with each element differing from at least one neighbor by 1 or less, starting with 0.at n=31A221685
• Integers m such that sigma(m) + sigma(m+1) + sigma(m+2) - sigma(m+3) <= 0, where sigma is the sum of divisors.at n=2A348698
• Number of connected components of n faces of the snub cube up to the 24 rotations of the snub cube.at n=33A384072