Column 2 of triangle in A288187.

Terms

a(0) =16a(1) =56a(2) =176a(3) =388a(4) =822a(5) =1452a(6) =2516a(7) =3952a(8) =6060a(9) =8736a(10) =12492a(11) =17040a(12) =23102a(13) =30280a(14) =39234a(15) =49688a(16) =62730a(17) =77556a(18) =95642a(19) =115992a(20) =139874a(21) =166560a(22) =197992a(23) =232600a(24) =272574a(25) =316460a(26) =366390a(27) =420792a(28) =482748a(29) =549516