Largest element of n-th row of Pascal's triangle that is not a multiple of n.

Terms

a(0) =1a(1) =1a(2) =6a(3) =1a(4) =20a(5) =1a(6) =70a(7) =84a(8) =252a(9) =1a(10) =495a(11) =1a(12) =3432a(13) =5005a(14) =12870a(15) =1a(16) =48620a(17) =1a(18) =184756a(19) =293930a(20) =705432a(21) =1a(22) =2704156a(23) =3268760a(24) =10400600a(25) =17383860a(26) =40116600a(27) =1a(28) =145422675a(29) =1