43901

Appears in sequences

• a(n) = n*(5*n^2 - 3)/2.at n=26A063522
• A bisection of A063522.at n=13A160699
• Number of (w,x,y,z) with all terms in {1,...,n} and |w-x|=2|x-y|-|y-z|.at n=39A212577
• a(n) = A333791(A276086(n)).at n=59A348991
• Number of patterns of length n with all distinct run-lengths.at n=15A351292