194565

Appears in sequences

• a(n) = n^4 + 4*n.at n=21A180354
• Number of n X 1 (-1,0,1) arrays of determinants of 2 X 2 subblocks of some (n+1) X 2 binary array.at n=11A226710
• a(n) = Sum_{k=1..n} (k^2*floor(k/2)).at n=34A285188