60888

Appears in sequences

• Number of 0..7 arrays x(0..n+1) of n+2 elements with zero n-1st differences.at n=17A200271
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 593", based on the 5-celled von Neumann neighborhood.at n=39A273121
• Number of k-ary quasitrivial semigroups that have no neutral element on an n-element set.at n=6A308352
• Irregular triangular array T; row n shows the coefficients of the (n-1)-st polynomial in the obverse convolution s(x)**t(x), where s(x) = n^2 x and t(x) = x+1. See Comments.at n=30A375041