214315

Appears in sequences

• Partial sums of A078902.at n=10A172521
• Number of length n+2 0..6 arrays with some pair in every consecutive three terms totalling exactly 6.at n=6A245867
• Number of length 7+2 0..n arrays with some pair in every consecutive three terms totalling exactly n.at n=5A245876
• a(n) = A239839(n)/n! where A239839(n) is the number of ordered pairs of permutation functions on n elements where f(f(f(x))) = g(f(g(x))).at n=17A255516