Row 7 of the array in A107735.

Terms

a(0) =1a(1) =21a(2) =141a(3) =521a(4) =1401a(5) =3101a(6) =6021a(7) =10641a(8) =17521a(9) =27301a(10) =40701a(11) =58521a(12) =81641a(13) =111021a(14) =147701a(15) =192801a(16) =247521a(17) =313141a(18) =391021a(19) =482601a(20) =589401a(21) =713021a(22) =855141a(23) =1017521a(24) =1202001a(25) =1410501a(26) =1645021a(27) =1907641a(28) =2200521a(29) =2525901