25396

Appears in sequences

• Number of commutation classes of reduced words for the longest element of a Weyl group of type B_n.at n=4A180605
• Number of compositions of n with difference -2 between the number of odd parts and the number of even parts, both counted without multiplicity.at n=15A242839
• Number of (n+1) X (1+1) 0..1 arrays with no 2 X 2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements.at n=6A251221
• Number of (n+1)X(7+1) 0..1 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements.at n=0A251227
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements.at n=21A251228
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements.at n=27A251228
• Number of length-n binary words having no palindromes of length > 5 as contiguous subwords.at n=24A329824