-1098

Appears in sequences

• a(n) = A023194 - A062700(n). Negative values of A071166(m) = m-A006530(A000203(m)) differences. In these cases m is square number from A023194.at n=38A071167
• a(n) = Sum_{k=0..n-1} 7^k*B(k)*binomial(n,k) where B(k) is the k-th Bernoulli number.at n=6A083011
• Triangle, read by rows, where the n-th row lists the (2*n+1) coefficients of (1 + x - 3*x^2)^n.at n=43A084614
• Inverse of a Delannoy related triangle.at n=58A113141
• a(n,m) =Floor[N[(-2 + Sqrt[3])^n + (-2 - Sqrt[3])^n]/2^m].at n=42A117809
• Expansion of 3*x*(3*x+1)*(2*x-1) / ( (1+x)*(3*x^2+1) ).at n=11A143769
• Coefficients of the eighth-order mock theta function T_1(q).at n=43A153156
• Expansion of g.f. x / reversion(x - x^2 - x^3).at n=7A217596
• Expansion of psi(x)^2 * phi(-x)^6 in powers of x where phi(), psi() are Ramanujan theta functions.at n=25A227695
• Expansion of Product_{k>=0} 1/(1 + x^(4*k+1))^(4*k+1).at n=23A285287
• Expansion of 1/(Sum_{i>=0} q^(2*i*(i+1))/Product_{j=0..i} (1 - q^(2*j+1))^2).at n=29A294599