Largest palindromic divisor of n!.

Terms

a(0) =1a(1) =1a(2) =2a(3) =6a(4) =8a(5) =8a(6) =9a(7) =252a(8) =252a(9) =252a(10) =48384a(11) =48384a(12) =48384a(13) =48384a(14) =525525a(15) =525525a(16) =525525a(17) =595595a(18) =595595a(19) =969969a(20) =969969a(21) =969969a(22) =405909504a(23) =5273993725a(24) =5273993725a(25) =5273993725a(26) =5273993725a(27) =5273993725a(28) =5273993725a(29) =5273993725