-474

Appears in sequences

• McKay-Thompson series of class 24f for Monster.at n=27A058589
• Sum at 45 degrees to horizontal in triangle of A081498.at n=35A081499
• a(0) = 121; for n>0, a(n) = a(n-1) - n + 1.at n=35A137517
• a(n) = (-n^3 + 9n^2 - 5n + 3)/3.at n=15A161702
• Coefficients in asymptotic expansion of sequence A052186.at n=6A256168
• Expansion of Product_{k>=0} 1/(1 + x^(3*k+2))^(3*k+2).at n=22A285310
• Number of twos minus number of ones in the first 2^n entries of the Kolakoski sequence, A000002.at n=26A289323
• The sequence a(n,m) of the m polynomial coefficients of the n-th order B-spline scaled by n!, read by rows, with n in {0,1,2,...} and m in {1,2,3,...,(n+1)^2}.at n=72A289358
• Triangle read by rows: T(n,k) = (-3)*T(n-1,k-1) + T(n,k-1) with T(2*m,0) = 0 and T(2*m+1,0) = (-2)^m.at n=41A292789
• G.f.: Product_{m>0} (1 - x^m + 2!*x^(2*m) - 3!*x^(3*m)).at n=37A293255
• Expansion of Product_{k>=1} ((1 - k*x^k) / (1 + k*x^k))^k.at n=8A305745
• Expansion of Product_{j>=1} 1/(1 + (-1 + Product_{k>=1} 1/(1 + x^k))^j).at n=17A307438
• Expansion of (Product_{k>0} theta_4(q^k)/theta_3(q^k))^(1/2), where theta_3() and theta_4() are the Jacobi theta functions.at n=31A320992
• a(n) = A033879(A276086(n)).at n=52A324654
• Expansion of Sum_{k>0} (1/(1+x^k)^3 - 1).at n=26A363630
• a(n) = Sum_{k=0..n} binomial(n, k) * binomial(n - 1, n - k - 1) * (-n)^k.at n=5A367257