-246

Appears in sequences

• Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^9 in powers of x.at n=15A001487
• Coefficient array for certain numerator polynomials N6(n,x), n >= 0 (rising powers of x).at n=44A063261
• Binomial transform of reflected pentanacci numbers A074062: a(n) = Sum_{k=0..n}(-1)^k*binomial(n, k)*A074062(k).at n=7A074826
• Expansion of 1/( (1-x)*(1 + x^2 + x^3) ).at n=33A077889
• Expansion of (1-x)^(-1)/(1+2*x+x^2-x^3).at n=16A077929
• Expansion of (1-x)/(1+x+2*x^2-2*x^3).at n=10A078048
• Riordan array (((1+x)^2 - x^3)/(1+x)^3, 1/(1+x)).at n=58A099569
• Triangle T, read by rows, equal to the matrix product T = H*C*H, where H is the self-inverse triangle A118433 and C is Pascal's triangle.at n=22A118438
• Exponential Riordan array (e^(-x(1+x)),x).at n=22A122833
• Triangular sequence from the characteristic polynomials of the SL(n,Z)/ determinants {1,-1} type triantidiagonal 2 center with one upper, -1 side antidiagonal above and below: M(3)={{0, -1, 1}, {-1, 2, -1}, {2, -1, 0}}.at n=73A124022
• Expansion of unique cusp form of weight 4 level 7 in powers of q.at n=36A129666
• a(n) = a(n-1) - 36*a(n-2), a(0)=1, a(1)=6.at n=3A133668
• Triangle of coefficients of even modified recursive orthogonal Hermite polynomials given in Hochstadt's book:P(x, n) = x*P(x, n - 1) - n*P(x, n - 2) ;A137286; P2(x,n)=P(x,n)+P(x,n-2).at n=29A136586
• This sequence needs a meaningful name.at n=55A139344
• A coefficients of characteristic polynomials of A_n Cartan matrices times their transposes: t(n,m,d)=If[ n == m, 2, If[n == m - 1 || n == m + 1, -1, 0]]. M(d)=t(n,m,d)*Transpose[t(n,m,d)].at n=18A158199
• Triangle read by rows: row n (n>=0) gives the coefficients of the polynomial p(n,x) of degree n defined in comments.at n=26A159041
• Triangle read by rows: row n (n>=0) gives the coefficients of the polynomial p(n,x) of degree n defined in comments.at n=22A159041
• a(n) = (-n^3 + 9n^2 - 5n + 3)/3.at n=13A161702
• Expansion of 1/((1 +x +x^2)^2 *(1 +x^2 +x^3)^3).at n=15A167177
• Triangle T(n,k) read by rows: coefficient of [x^k] of the polynomial p_n(x)=(5-x)*p_{n-1}(x)-p_{n-2}(x), p_0=1, p_1=5-x.at n=18A179900