10485758

Appears in sequences

• a(n) = 5*2^n - 2.at n=21A051633
• a(3) = 1, otherwise a(n) = n*2^(n-3) - 2^(n-2) - 2.at n=19A058966
• a(n) = 5*2^(n-2) - 2 for n > 1, with a(1) = 1.at n=22A131051
• Row sums of triangle A134061.at n=21A134062