521920

Appears in sequences

• a(n) = 6*a(n-1)-8*a(n-2) for n > 2; a(0)=837, a(1)=7896, a(2)=32176.at n=4A177846
• Number of subsets of {1..n-1} that can be linearly combined using nonnegative coefficients to obtain n.at n=19A365542