25864

Appears in sequences

• Partial sums of A120769.at n=47A120770
• Triangle, read by rows, that transforms rows into diagonals in the table of coefficients of successive iterations of x+x^2 (cf. A122888).at n=41A166900
• Number of 3-step knight's tours on an (n+2) X (n+2) board summed over all starting positions.at n=21A186852
• Triangle read by rows, arising in enumeration of permutations by cyclic valleys, cycles and fixed points.at n=17A217202
• First column of A217202.at n=8A217203
• Triangle read by rows, related to Bell numbers A000110: A216963 interlaced with A217202.at n=37A217205
• a(n) = 204*2^n - 248.at n=6A278122
• Triangle read by rows: T(n,k) is the number of c-nets with n-k inner vertices and k outer vertices, 3 <= n, 2 <= k <= n-1.at n=32A285165
• Column 6 of A285165.at n=3A285169
• Number of collinear triples in a 4 X n rectangular grid.at n=33A334706