117120

Appears in sequences

• a(n) = 4*a(n-1) + 4*a(n-2) for n > 1; a(0) = 1, a(1) = 10.at n=7A164607
• a(n) = Fibonacci(n)*A000118(n) for n>=1 with a(0)=1, where A000118(n) is the number of ways of writing n as a sum of 4 squares.at n=15A205963
• Number of 2 X 2 matrices having all terms in {1,...,n} and positive even determinant.at n=24A211067
• a(n) = sigma(2*n^3) - sigma(n^3).at n=32A225959
• Numbers k such that k = Product (p_j^e_j) = Product (p_j*(e_j + 1)).at n=41A304410