n = Sum_{b} c_b*b! in the factorial base rewritten by c_b-fold repetition of b, b=1,2,3,....

Terms

a(0) =1a(1) =2a(2) =12a(3) =22a(4) =122a(5) =3a(6) =13a(7) =23a(8) =123a(9) =223a(10) =1223a(11) =33a(12) =133a(13) =233a(14) =1233a(15) =2233a(16) =12233a(17) =333a(18) =1333a(19) =2333a(20) =12333a(21) =22333a(22) =122333a(23) =4a(24) =14a(25) =24a(26) =124a(27) =224a(28) =1224a(29) =34