Number of 0's when k is written in base b for all b and k satisfying 2<=b<=n+1, 1<=k<=n.

Terms

a(0) =0a(1) =1a(2) =2a(3) =5a(4) =7a(5) =10a(6) =11a(7) =16a(8) =21a(9) =26a(10) =29a(11) =35a(12) =37a(13) =40a(14) =43a(15) =51a(16) =56a(17) =65a(18) =70a(19) =78a(20) =83a(21) =87a(22) =89a(23) =98a(24) =103a(25) =108a(26) =115a(27) =124a(28) =129a(29) =137