-2772

Appears in sequences

• Expansion of (1-4*x)^(11/2).at n=5A020923
• Coefficient triangle of generalized Laguerre polynomials n!*L(n,5,x)(rising powers of x).at n=33A062138
• Expansion of 1/(1+x+2*x^2-x^3).at n=17A077978
• Triangle of coefficients, read by rows, where T(n,k) is the coefficient of x^n*y^k in f(x,y) that satisfies f(x,y) = 1/(1-x) - x^2/(1-x)^2 + xy*f(x,y)^2.at n=61A086610
• Triangle of coefficients, read by rows, where T(n,k) is the coefficient of x^n*y^k in f(x,y) that satisfies f(x,y) = (1+x) - x^2*(1+x)^2 + xy*f(x,y)^2.at n=51A086612
• Triangle read by rows: T(n,k) is the coefficient of x^k in the monic characteristic polynomial of the n X n matrix with 2's on the diagonal and 1's elsewhere (n >= 1 and 0 <= k <= n). Row 0 consists of the single term 1.at n=72A103283
• Riordan array (1-4x, x(1-x)^3).at n=49A119305
• Triangle read by rows: row n gives coefficients C(n,j) for a Sheffer sequence (binomial-type) with raising operator -x { 1 + W[ -exp(-2) * (2+D) ] } where W is the Lambert W multi-valued function.at n=41A135338
• FP4 polynomials related to the o.g.f.s of the columns of the A156925 matrix.at n=12A156933
• Coefficients of mock modular form H_1^(2) of type 2A, divided by 2.at n=21A256059
• Alternating sum of 11-gonal (or hendecagonal) numbers.at n=35A266087
• a(n+3) = -a(n+2) - 2*a(n+1) + a(n) with a(0)=0, a(1)=0, a(2)=1.at n=19A276229
• Expansion of e.g.f. exp(Sum_{k>=1} mu(k)*x^k/k!), where mu() is the Moebius function (A008683).at n=9A300673
• Triangle read by rows in which row n gives coefficients of polynomial f_n(x) of degree less than n that satisfies Integral_{x=0..1} g(t - x) * f_n(x) dx = g(t) for any polynomial g(x) of degree less than n.at n=20A303699
• Expansion of (1 + 2*x)/(1 + 4*x^2)^(3/2).at n=10A331552
• Expansion of the 6048th root of the series 2*E_6(x) - E_6(x)^2, where E_6 is the Eisenstein series of weight 6.at n=3A377975