9465511770

Appears in sequences

• De Bruijn's S(3,n): (3n)!/(n!)^3.at n=8A006480
• Multinomial coefficient n!/([n/3]![(n+1)/3]![(n+2)/3]!).at n=24A022916
• a(n) = (8n)!/(8!^n).at n=3A172609
• Number of 8*n X n 0..1 arrays with row sums 2 and column sums 16.at n=2A172610
• Number of permutations of 8 copies of 1..n with all adjacent differences <= 2 in absolute value.at n=3A177311
• Number of permutations of 8 copies of 1..n with all adjacent differences <= 3 in absolute value.at n=3A177312
• Central values of the n-th discrete Chebyshev polynomials of order 2n.at n=16A245086
• Triangle read by rows: T(n,k) = (3*n - 2*k)!/((n-k)!^3*k!).at n=36A318107
• Ordered set partitions of the set {1, 2, ..., 4*n} with all block sizes divisible by 4, irregular triangle T(n, k) for n >= 0 and 0 <= k < A000041(n), read by rows.at n=25A327024