29772
domain: N
Appears in sequences
- Number of line segments connecting exactly 7 points in an n X n grid of points.at n=42A177723
- Number of partitions of n containing at least one part m-4 if m is the largest part.at n=42A212544
- Number of n X 3 0..2 arrays with some element plus some horizontally or vertically adjacent neighbor totalling two exactly once.at n=4A268634
- Number of nX5 0..2 arrays with some element plus some horizontally or vertically adjacent neighbor totalling two exactly once.at n=2A268636
- T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally or vertically adjacent neighbor totalling two exactly once.at n=23A268639
- T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally or vertically adjacent neighbor totalling two exactly once.at n=25A268639
- a(n) = A306302(n)/2.at n=24A331756
- Triangle read by rows, T(n, k) = 2^(n - k)*M(n, k, 1/2, 1/2), where M(n, k, x, y) is a generalized Motzkin recurrence. T(n, k) for 0 <= k <= n.at n=47A344557
- Expansion of (Sum_{k>=0} binomial(3*k,k) * x^k)^3.at n=5A378483