134336
domain: N
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 DAC = Dachiardite Na5[Al5Si19O48].12H2O starting with a T1 atom.at n=15A019102
- S(n,n) + S(n-1,n-2) + S(n-2,n-4) + ... + S(n-k+1,n-2k+2), where k = [ (n+1)/2 ] and S(i,j) are Stirling numbers of second kind.at n=14A024428
- G.f.: Sum_{n>=0} x^n / Product_{k=1..2*n-1} (1 - k*x).at n=8A229285