1552320

Appears in sequences

• a(1) = 0, a(2) = 16, a(2n+1) = 10*a(2n) - a(2n-1), a(2n) = 10*a(2n-1) - a(2n-2) + 16.at n=6A053410
• A partition product of Stirling_1 type [parameter k = -4] with biggest-part statistic (triangle read by rows).at n=32A157384
• Triangle read by rows: T(n,m) = A094310(n,m)*A120070(n+1,m), 1 <= m <= n.at n=29A165969
• a(n) = Pell(n)*A028594(n) for n>=1, with a(0)=1, where A028594 lists the coefficients in (theta_3(x)*theta_3(7*x)+theta_2(x)*theta_2(7*x))^2.at n=12A209456
• Diagonal of the rational function 1/((1 - w - u v) * (1 - x y - x z - y z)).at n=3A268554
• Highly composite numbers of class 3 (see comment in A275239).at n=32A275241