65226

Appears in sequences

• Coordination sequence for A_6 lattice.at n=6A008387
• Square array T(n,k) (n >= 1, k >= 0) read by antidiagonals: coordination sequence for root lattice A_n.at n=72A103881
• a(n) = Sum_{i=0..n} C(n+1,i)*C(n-1,i-1)*C(2n-i,n).at n=6A103882
• Number of integer sequences of length n+1 with sum zero and sum of absolute values 12.at n=5A157055
• Number of permutations of 6 copies of 1..n with all adjacent differences <= 1 in absolute value.at n=3A177304
• Number of length n+4 0..6 arrays with no five consecutive terms having the maximum of any two terms equal to the minimum of the remaining three terms.at n=1A249842
• T(n,k)=Number of length n+4 0..k arrays with no five consecutive terms having the maximum of any two terms equal to the minimum of the remaining three terms.at n=22A249844
• Number of length 2+4 0..n arrays with no five consecutive terms having the maximum of any two terms equal to the minimum of the remaining three terms.at n=5A249846
• Triangle read by rows in which T(n,k) is the number of length k chains from (0,0) to (n,n) of the poset [n] X [n] ordered by the product order, 0 <= k <= 2n, n>=0.at n=43A316649
• Number A(n,k) of sequences with k copies each of 1,2,...,n avoiding absolute differences between adjacent elements larger than one; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=48A331562
• Numbers k such that A073734(k) is neither squarefree nor a prime power.at n=35A365899