Bell numbers written backwards.

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =51a(5) =25a(6) =302a(7) =778a(8) =414a(9) =74112a(10) =579511a(11) =75876a(12) =7953124a(13) =73444672a(14) =223998091a(15) =5458592831a(16) =74124108401a(17) =40896846828a(18) =951608670286