Third column (m=4) of array A090452.

Terms

a(0) =2a(1) =16a(2) =51a(3) =118a(4) =230a(5) =402a(6) =651a(7) =996a(8) =1458a(9) =2060a(10) =2827a(11) =3786a(12) =4966a(13) =6398a(14) =8115a(15) =10152a(16) =12546a(17) =15336a(18) =18563a(19) =22270a(20) =26502a(21) =31306a(22) =36731a(23) =42828a(24) =49650a(25) =57252a(26) =65691a(27) =75026a(28) =85318a(29) =96630