n + 1 n + 3 6 6 ------ + ------ 37 37
6^(n + 1)/37 + 6^(n + 3)/37
0.027027027027027*6.0^(1.0 + n) + 0.027027027027027*6.0^(3.0 + n)
0.027027027027027*6.0^(1.0 + n) + 0.027027027027027*6.0^(3.0 + n)
1 + n 3 + n 6 + 6 --------------- 37
(6^(1 + n) + 6^(3 + n))/37
1 + n 3 + n 6 + 6 --------------- 37
(6^(1 + n) + 6^(3 + n))/37