24033

Appears in sequences

• Triangular array generated by its row sums: T(n,0) = 1 for n >= 0, T(n,1) = r(n-1), T(n,k) = T(n,k-1) - (-1)^k * r(n-k) for k = 2, 3, ..., n, n >= 2, r(h) = sum of the numbers in row h of T.at n=54A054090
• T(n,n), array T as in A054090.at n=9A054092
• a(n) = 11*3^n - 2*n - 10.at n=7A116972
• Number of subgroups of the group C_n x C_n x C_n x C_n, where C_n is the cyclic group of order n.at n=8A280162
• 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 630", based on the 5-celled von Neumann neighborhood.at n=14A283398
• Number of {0,1} n X n matrices with at least one zero row or column.at n=4A300757
• Squarefree semiprimes k such that k+1 is the product of three distinct primes and k+2 is the product of four distinct primes.at n=36A376352