Number of characters in French ordinal numbers.

Terms

a(0) =7a(1) =8a(2) =9a(3) =9a(4) =9a(5) =7a(6) =8a(7) =8a(8) =8a(9) =7a(10) =7a(11) =8a(12) =9a(13) =11a(14) =9a(15) =8a(16) =12a(17) =12a(18) =12a(19) =9a(20) =15a(21) =14a(22) =15a(23) =15a(24) =15a(25) =13a(26) =14a(27) =14a(28) =14a(29) =9