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.

A019135

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.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =5a(4) =9a(5) =18a(6) =19a(7) =83a(8) =169a(9) =450a(10) =1125a(11) =2944a(12) =7247a(13) =19186a(14) =47324a(15) =122937a(16) =310406a(17) =802867a(18) =2060084a(19) =5354123a(20) =13838596a(21) =36175025a(22) =94205440a(23) =247125778a(24) =648035596a(25) =1706340655a(26) =4495756752a(27) =11884095578a(28) =31435147724

External references