150414

Appears in sequences

• Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite DOH = Dodecasil 1H [Si34O68].qR starting with a T3 atom.at n=15A019116
• Golden rectangular box numbers: a(n) = n*A007067(n)*A007067(A007067(n)).at n=33A050510
• G.f. A(x) satisfies: A(x) = A(x^2) / (1 - 2*x).at n=16A309728