Row sums of A163334 and A163336.

Terms

a(0) =0a(1) =6a(2) =12a(3) =72a(4) =132a(5) =186a(6) =240a(7) =300a(8) =360a(9) =906a(10) =1452a(11) =1992a(12) =2532a(13) =3078a(14) =3624a(15) =4116a(16) =4608a(17) =5094a(18) =5580a(19) =6072a(20) =6564a(21) =7110a(22) =7656a(23) =8196a(24) =8736a(25) =9282a(26) =9828a(27) =14748a(28) =19668a(29) =24582