Eighth column (r=7) of FS(5) staircase array A062985.

Terms

a(0) =5a(1) =30a(2) =110a(3) =315a(4) =771a(5) =1688a(6) =3396a(7) =6390a(8) =11385a(9) =19382a(10) =31746a(11) =50297a(12) =77415a(13) =116160a(14) =170408a(15) =245004a(16) =345933a(17) =480510a(18) =657590a(19) =887799a(20) =1183787a(21) =1560504a(22) =2035500a(23) =2629250a(24) =3365505a(25) =4271670a(26) =5379210a(27) =6724085a(28) =8347215