122937

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 HEU = Heulandite Ca4[Al8Si28O72].24H2O starting with a T4 atom.at n=15A019135
• a(n) is the number of closed BCK (a.k.a. affine) lambda terms of size n.at n=13A281270
• Triangle T(n,k) read by rows: coefficients of polynomials P_n(t) defined in Formula section.at n=55A287030