The 3rd Witt transform of A000292.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =4a(5) =26a(6) =120a(7) =455a(8) =1456a(9) =4122a(10) =10608a(11) =25194a(12) =55980a(13) =117572a(14) =235144a(15) =450681a(16) =832048a(17) =1485800a(18) =2575368a(19) =4345965a(20) =7158060a(21) =11532402a(22) =18209100a(23) =28224105a(24) =43008120a(25) =64512240a(26) =95365920a(27) =139075245a(28) =200268432a(29) =284997384