Integers 1 through n written in primorial base, summed as if decimal.

Terms

a(0) =1a(1) =11a(2) =22a(3) =42a(4) =163a(5) =264a(6) =374a(7) =485a(8) =605a(9) =726a(10) =926a(11) =1127a(12) =1337a(13) =1548a(14) =1768a(15) =1989a(16) =2289a(17) =2590a(18) =2900a(19) =3211a(20) =3531a(21) =3852a(22) =4252a(23) =4653a(24) =5063a(25) =5474a(26) =5894a(27) =6315a(28) =7315a(29) =8316