34346
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 MEI = ZSM-18 Nan[AlnSi34-nO68].28H2O (n=2.1-5.7) starting with a T4 atom.at n=14A019146
- Number of n X n symmetric positive semi-definite matrices with 2's on the main diagonal and -1's and 0's elsewhere.at n=6A084553
- Number of tatami tilings of a 3 X n grid (with monomers allowed).at n=13A180970
- Expansion of phi(x^2) / f(-x) in powers of x where phi(), f() are Ramanujan theta functions.at n=34A226622
- Number of length 3 1..(n+1) arrays with every leading partial sum divisible by 2, 3, 5, 7 or 11.at n=40A254950
- a(n) = 36*n^2 - 8*n - 2 (n >=1).at n=30A304834
- Number of partitions of [n] having exactly one block of maximal size and one block of minimal size (and any number of non-extremal blocks).at n=10A372802