Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite ERI = Erionite (Na2,Ca..)3.5K2[Al9Si27O72].27H2O starting with a T1 atom.

A019015

Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite ERI = Erionite (Na2,Ca..)3.5K2[Al9Si27O72].27H2O starting with a T1 atom.

Terms

    a(0) =3a(1) =8a(2) =49a(3) =259a(4) =1478a(5) =7448a(6) =38788a(7) =219569a(8) =1333733a(9) =8486181a(10) =55791794a(11) =375324308a(12) =2564288273a(13) =17682410960a(14) =122670267805

External references