22719146

Appears in sequences

• Binomial transform of A061800.at n=21A086954
• a(n) = (n + 2/3)*2^(n-1) - 1/2 - (-1)^(n-1)*(1/6).at n=20A127980
• Decimal representation of the middle column of the "Rule 9" elementary cellular automaton starting with a single ON (black) cell.at n=24A266248