Row sums of triangle A027420.

Terms

a(0) =1a(1) =4a(2) =9a(3) =20a(4) =33a(5) =54a(6) =79a(7) =114a(8) =153a(9) =200a(10) =251a(11) =320a(12) =395a(13) =488a(14) =589a(15) =700a(16) =815a(17) =956a(18) =1105a(19) =1284a(20) =1471a(21) =1670a(22) =1879a(23) =2122a(24) =2373a(25) =2642a(26) =2925a(27) =3226a(28) =3537a(29) =3894