109299

Appears in sequences

• Word structures of length n using a 6-ary alphabet.at n=10A056273
• Number of palindromic structures using a maximum of six different symbols.at n=18A056471
• Number of palindromic structures using a maximum of six different symbols.at n=19A056471
• Number of periodic palindromic structures using a maximum of six different symbols.at n=19A056507
• Triangle of partial sums of Stirling numbers of 2nd kind (A008277): T(n,k) = Sum_{i=1..k} Stirling2(n,i), 1<=k<=n.at n=50A102661
• Number of (n+2) X (4+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010011.at n=9A260763