56620

Appears in sequences

• Numbers k such that binomial(6k, k) + 1 is prime.at n=26A125245
• Number of permutations of 7 copies of 1..n introduced in order 1..n with no element equal to another within a distance of 1.at n=3A190836
• Number of permutations of n copies of 1..3 introduced in order 1..3 with no element equal to another within a distance of 1.at n=7A190917
• Number of nX1 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor.at n=20A199126
• Number A(n,k) of initially rising meander words, where each letter of the cyclic k-ary alphabet occurs n times; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=62A209349
• Antidiagonal sums of the convolution array A213783.at n=37A213760
• Square array A(n,k), n >= 1, k >= 1, read by antidiagonals, where A(n,k) is the number of permutations of n copies of 1..k introduced in order 1..k with no element equal to another within a distance of 1.at n=42A322013