-2204

Appears in sequences

• a(n+3) = 2a(n+2) - 3a(n+1) + 2a(n); a(0) = 1, a(1) = 3, a(2) = 4.at n=24A105579
• Sequence is {a(4,n)}, where a(m,n) is defined at sequence A110665.at n=23A110669
• Triangular array from Steinbach matrices plus their squares as characteristic polynomials: M[i,j]=A[i,j]+A[i,j]^2: A[i,j]^2=Min[i,j]; CharacteristicPolynomial[M[i,j]];.at n=71A122073
• Triangle T(n,k) = A015440(k) - A015440(n) + A015440(n-k), read by rows.at n=40A176263
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 3", based on the 5-celled von Neumann neighborhood.at n=23A269913
• Coefficients in the power series expansion of A(x) = Sum_{n=-oo..+oo} n*(n+1)*(n+2)*(n+3)/24 * x^(4*n) * (1 - x^n)^(n-2).at n=31A357157