Exponential transform of binomial(n,4) = A000332.

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =1a(5) =5a(6) =15a(7) =35a(8) =105a(9) =756a(10) =6510a(11) =46530a(12) =283470a(13) =1667380a(14) =11457446a(15) =99776040a(16) =969295145a(17) =9298091180a(18) =86154691680a(19) =804769174536