161476565

Appears in sequences

• Number of effective multiple alignments of three equal-length sequences.at n=7A124435
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = Sum_{j=0..n} (-1)^(n-j) * multinomial(n+(k-1)*j; n-j, {j}^k).at n=62A336169