18962

Appears in sequences

• Number of partitions of {1...n} containing one string of 3 consecutive integers, counted within a block.at n=7A105483
• Tenth convolution of Schroeder's (second problem) numbers A001003(n), n>=0.at n=5A111998
• Triangle of coefficients of polynomials u(n,x) jointly generated with A210748; see the Formula section.at n=42A210747
• Number of 2 X 2 matrices having all terms in {1,...,n} and determinant in [-n,n].at n=17A211069
• Number of unit-conjoined polydominoes of order n.at n=6A216583
• Total sum of 7th powers of parts in all partitions of n.at n=4A229329
• Total sum of n-th powers of parts in all partitions of 4.at n=7A229355
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 374", based on the 5-celled von Neumann neighborhood.at n=14A281524
• Coefficients in the expansion of 1/Sum_{k >= 0} ([r*(k + 1)] + [s*(k + 1)]) * (-x)^k, where [ ] = floor, r = (1+sqrt(5))/2, s = 1/r.at n=9A289246
• a(n) = floor(8*n^3/27).at n=40A379852
• a(0) = 1; thereafter a(n) = 2*(6*n^2 - 3*n + 1).at n=40A386477