22906404864
domain: N
Appears in sequences
- Number of Barlow packings with group R3(bar)m(O) that repeat after 6n layers.at n=34A011955
- Coefficient of x in the reduction by x^2 -> x+2 of the polynomial p(n,x) defined below in Comments.at n=18A192382
- Number of chiral pairs of color patterns (set partitions) for a row of length n using 4 or fewer colors (subsets).at n=19A320934