28936
domain: N
Appears in sequences
- Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite DFO = DAF-1 [Mg14Al52P66O264].7R.40H2O starting with a T6 atom.at n=6A019006
- Number of 3-noncrossing stack-free partial matchings without 1-arcs.at n=11A132441
- Numerators of the image of the Akiyama-Tanigawa transform applied to the second Bernoulli numbers.at n=15A174110
- Fundamental discriminants d uniquely characterizing all complex biquadratic fields Q(sqrt(-3),sqrt(d)) which have 3-class group of type (3,3) and second 3-class group isomorphic to SmallGroup(729,34).at n=15A250241
- Numbers k that divide the k-th tangent (or "zag") number.at n=26A372944