28945
domain: N
Appears in sequences
- E.g.f.: ((1+x)/(1-x))^(1/3)*((1+x+x^2)/(1-x+x^2))^(1/6).at n=9A123014
- Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 694", based on the 5-celled von Neumann neighborhood.at n=7A272832
- Numbers n such that A280864(n) = n.at n=17A280754
- a(n) = a(n-1) + a(n-3), with a(0) = 1, a(1) = 4, a(2) = 8.at n=24A385633