11010047

Appears in sequences

• a(n) = (n+1)*2^(n-1) - 1.at n=19A099035
• a(n) = 21*2^n - 1.at n=19A171389
• Decimal representation of the middle column of the "Rule 169" elementary cellular automaton starting with a single ON (black) cell.at n=23A267589