5th differences of Bell numbers.

Terms

a(0) =11a(1) =52a(2) =255a(3) =1335a(4) =7432a(5) =43833a(6) =272947a(7) =1788850a(8) =12303997a(9) =88586135a(10) =666047210a(11) =5218287687a(12) =42518759887a(13) =359651145332