138988

Appears in sequences

• Number of permutations of length n which avoid the patterns 4321 and 2143.at n=11A165525
• Number of (n+1)X(1+1) 0..2 arrays colored with the difference of the upper median and the minimum in each 2X2 subblock.at n=5A236058
• Number of (n+1)X(6+1) 0..2 arrays colored with the difference of the upper median and the minimum in each 2X2 subblock.at n=0A236063
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the difference of the upper median and the minimum in each 2X2 subblock.at n=15A236065
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the difference of the upper median and the minimum in each 2X2 subblock.at n=20A236065