733007751848
domain: N
Appears in sequences
- Numerator of c(n) = 2^(2*n)*(2^(2*n) - 1)/(2*n)!, a coefficient used in the expansion of tan(x) as Sum_{n>=1} c(n)*|Bernoulli(2*n)|*x^(2*n-1).at n=19A225845
- Decimal representation of the n-th iteration of the "Rule 133" elementary cellular automaton starting with a single ON (black) cell.at n=21A267457