T(n,n-6), array T as in A038792.

Terms

a(0) =1a(1) =7a(2) =23a(3) =50a(4) =88a(5) =144a(6) =233a(7) =377a(8) =609a(9) =979a(10) =1560a(11) =2455a(12) =3805a(13) =5798a(14) =8679a(15) =12761a(16) =18437a(17) =26193a(18) =36622a(19) =50439a(20) =68497a(21) =91804a(22) =121541a(23) =159081a(24) =206009a(25) =264143a(26) =335556a(27) =422599a(28) =527925a(29) =654514