74380

Appears in sequences

• Number of set-like molecular species of degree n.at n=25A007649
• a(0)=1, a(n) = 100*a(n-1) + 36*n - 128.at n=3A060183
• a(n) = a(n-2) + a(n-3) + 2*a(n-4), with a(1) = 0, a(2) = 2, a(3) = 3, a(4) = 10.at n=24A175899
• 1/16 the number of (n+1) X 5 0..3 arrays with all 2 X 2 subblocks having the same four values.at n=13A184034