22692

Appears in sequences

• "Correlation triangle" of central binomial coefficients A000984.at n=47A115255
• a(n) = a(n-1)+9*a(n-2) initialized with a(0)=1, a(1)=3.at n=8A122994
• a(n) = A121296(n) - A121263(n).at n=11A130287
• Matrix square of triangle T = A141712, where the n-th diagonal of T equals the BINOMIAL transform of the (n-1)-th diagonal of T^2.at n=32A141715
• 12 times hexagonal numbers: 12*n*(2*n-1).at n=31A143698
• Number of strings of numbers x(i=1..7) in 0..n with sum i^2*x(i)^2 equal to n^2*49.at n=14A184245
• Least m>0 for which m + n^2 is a square and m + triangular(n) is a triangular number (A000217).at n=32A267140
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 817", based on the 5-celled von Neumann neighborhood.at n=27A273648
• Triangle read by rows: T(n,k) is the number of chains of length k in the partially ordered (by subspace inclusion) set of all subspaces of GF(2)^n, n>=0, 0<=k<=n.at n=17A293845
• Sum of all the parts in the partitions of n into 9 parts.at n=31A326464