91625881600
domain: N
Appears in sequences
- a(n) = 20*a(n-1) - 64*a(n-2) for n > 1; a(0) = 1, a(1) = 20.at n=9A166984
- Expansion of (1+4*x)/((1+2*x)*(1-4*x)).at n=18A246036
- Decimal representation of the n-th iteration of the "Rule 69" elementary cellular automaton starting with a single ON (black) cell.at n=18A266842
- Decimal representation of the n-th iteration of the "Rule 70" elementary cellular automaton starting with a single ON (black) cell.at n=18A266846
- Decimal representation of the n-th iteration of the "Rule 93" elementary cellular automaton starting with a single ON (black) cell.at n=18A267055
- Number of chiral pairs of color patterns (set partitions) for a row of length n using 4 or fewer colors (subsets).at n=20A320934