42636

Appears in sequences

• a(n) = (7*n+1)*(7*n+6).at n=29A001526
• T(2n,n), array T given by A047000.at n=8A047009
• Number of nonnegative integer 4 X 4 matrices with sum of elements equal to n, up to rotational symmetry.at n=7A054773
• a(n) = 2*n*(2*n^2 + 1).at n=22A061804
• Triangle of coefficients of polynomials used for g.f.s of columns of A067304.at n=40A067329
• G.f. satisfies: A(x) = x/series_reversion(x/G(x)) where A(x) + A(-x) = 2*G(x^2) and G(x) is the g.f. of A046646.at n=15A116637
• Triangle T(n,k), 0 <= k <= n, defined by : T(n,k) = 0 if k < 0, T(0,k) = 0^k, (n+2)*(2*n-2*k+1)*T(n,k) = (2*n+1)*( 4*(2*n-2*k+1)*T(n-1,k-1) + (n+2*k+2)*T(n-1,k) ).at n=47A123382
• Coefficient of x^5 in (1-x-x^2)^(-n).at n=16A139798
• a(n) = lcm(n,n+1,n+2,n+3,n+4,n+5,n+6)/420.at n=16A189144
• Molecular topological indices of the graph join C_n + C_n of cycle graphs.at n=16A192848
• Number of (n+2) X (4+2) 0..4 arrays with every consecutive three elements in every row and column not having exactly two distinct values, and in every diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=10A252807
• a(n) = n*(n+1)*(n+2)*(n+3)*(n^2+3*n+26)/720.at n=15A257200
• Zero together with the partial sums of A056640.at n=22A274772
• Partial sums of icosahedral numbers (A006564).at n=15A302560
• Kuba-Panholzer Table 2 pattern 312, 213 for Stirling permutation k = 2.at n=5A308677
• a(n) = Sum_{x_1|n, x_2|n, x_3|n, x_4|n, x_5|n} gcd(x_1,x_2,x_3,x_4,x_5).at n=41A344139
• a(n) = Sum_{k=0..floor(n/2)} binomial(k+1,4*n-8*k+1).at n=39A390221
• a(n) = Sum_{k=0..floor(3*n/8)} binomial(k,3*n-8*k).at n=55A392272