a(k) such that A225258 column k of T(n,k) = n*k^3 - a(k) for large n.

Terms

a(0) =-1a(1) =4a(2) =18a(3) =51a(4) =91a(5) =170a(6) =249a(7) =380a(8) =520a(9) =702a(10) =882a(11) =1171a(12) =1378a(13) =1710a(14) =2057a(15) =2447a(16) =2795a(17) =3297a(18) =3690a(19) =4306a(20) =4808a(21) =5449a(22) =6049a(23) =6906a(24) =7479a(25) =8268a(26) =9115a(27) =9993a(28) =10812a(29) =12000