151416

Appears in sequences

• Symmetric triangle, read by rows of 2*n+1 terms, similar to triangle A008301. Second term 4 times first term.at n=25A126150
• Symmetric triangle, read by rows of 2*n+1 terms, similar to triangle A008301. Second term 4 times first term.at n=35A126150
• E.g.f.: ( (1 + cos(sqrt(6)*x))/2 )^(-1/3), showing coefficients of only the even powers of x.at n=5A126151
• Number of 7-step one space at a time bishop's tours on an n X n board summed over all starting positions.at n=17A187160
• Array A(n, k) read by ascending antidiagonals. Polygonal number weighted generalized Catalan sequences.at n=60A365673
• Main diagonal of A365673.at n=5A366137
• Triangle read by rows. T(n, k) = A000326(n - k + 1) * T(n, k - 1) + T(n - 1, k) for 0 < k < n. T(n, 0) = 1 and T(n, n) = T(n, n - 1) if n > 0.at n=19A366138
• Triangle read by rows. T(n, k) = A000326(n - k + 1) * T(n, k - 1) + T(n - 1, k) for 0 < k < n. T(n, 0) = 1 and T(n, n) = T(n, n - 1) if n > 0.at n=20A366138