Sum of digits of Bell numbers.

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =6a(5) =7a(6) =5a(7) =22a(8) =9a(9) =15a(10) =28a(11) =33a(12) =31a(13) =37a(14) =43a(15) =50a(16) =32a(17) =63a(18) =58a(19) =50a(20) =55a(21) =78a(22) =69a(23) =64a(24) =105a(25) =94a(26) =91a(27) =118a(28) =104a(29) =101