43046724

Appears in sequences

• a(n) = 3^n + 3.at n=16A178674
• Number of ways to seat 4 types of people in n labeled seats around a circle such that no two adjacent people are of the same type.at n=16A218034
• Closed walks of length n in K_4 graph.at n=15A226493
• Expansion of phi_{16, 1}(x) where phi_{r, s}(x) = Sum_{n, m>0} m^r * n^s * x^{m*n}.at n=3A282777
• Array read by ascending antidiagonals: A(m, n) = Sum_{i=0..n} Sum_{d=0..n-i} binomial(n, d)*StirlingS2(n-d, i)*(m^(m-1) - 1)^(n-d-i).at n=38A364074