Main diagonal of table of length of English names of numbers.

Terms

a(0) =1a(1) =5a(2) =8a(3) =30a(4) =0a(5) =42a(6) =36a(7) =47a(8) =79a(9) =3000000a(10) =606a(11) =502a(12) =301a(13) =305a(14) =420a(15) =218a(16) =181a(17) =176a(18) =233a(19) =367a(20) =578a(21) =2101a(22) =2105a(23) =1607a(24) =1540a(25) =1616a(26) =1311a(27) =1232a(28) =1235a(29) =1298