Sum of n-th row of triangle in A081485.

Terms

a(0) =1a(1) =4a(2) =6a(3) =16a(4) =30a(5) =48a(6) =42a(7) =80a(8) =90a(9) =130a(10) =132a(11) =216a(12) =208a(13) =280a(14) =300a(15) =400a(16) =408a(17) =522a(18) =608a(19) =640a(20) =672a(21) =814a(22) =828a(23) =1080a(24) =1150a(25) =1196a(26) =1188a(27) =1372a(28) =1392a(29) =1620