348568
domain: N
Appears in sequences
- Number of partition graphs on n vertices.at n=11A007268
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite FER = Ferrierite Na2Mg2[Al6Si30O72].18H2O starting with a T2 atom.at n=16A019133
- Coefficient of x in the reduction by x^2 -> x+1 of the polynomial p(n,x)=(2x+1)(2x+2)...(2x+n).at n=7A192942