847288609440
domain: N
Appears in sequences
- The sequence lambda(3,n), where lambda is defined in A055203. Number of ways of placing n identifiable positive intervals with a total of exactly three starting and/or finishing points.at n=25A058809
- Expansion of -2*x*(-8-12*x+9*x^2) / ( (x-1)*(3*x-1)*(3*x+1)*(1+x) ).at n=24A120468
- a(n) = A000244(n) - A010684(n).at n=25A141317
- 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=25A218034
- Closed walks of length n in K_4 graph.at n=24A226493