-3506

Appears in sequences

• Expansion of log(1+log(1+tan(x))).at n=6A009310
• A symmetrical triangle sequence: q=1;t(n,m,q)=If[q == 1, Binomial[n, m] + Eulerian[n + 1, m] - Binomial[n, m]*Eulerian[n + 1, m], (q - 1) + Binomial[n, m]^q + Eulerian[n + 1, m]^q - q*Binomial[n, m]*Eulerian[n + 1, m]].at n=37A174966
• A symmetrical triangle sequence: q=1;t(n,m,q)=If[q == 1, Binomial[n, m] + Eulerian[n + 1, m] - Binomial[n, m]*Eulerian[n + 1, m], (q - 1) + Binomial[n, m]^q + Eulerian[n + 1, m]^q - q*Binomial[n, m]*Eulerian[n + 1, m]].at n=43A174966
• Site percolation series for triangular lattice: coefficients of the power series expansion in powers of q=1-p of the probability that a given site (not assumed to be open) belongs to the infinite cluster, where p is the probability that a site is open.at n=16A391390