Smallest positive integer requiring at least n letters (not including hyphens) to be spelled out in English.

A045495

Smallest positive integer requiring at least n letters (not including hyphens) to be spelled out in English.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =3a(5) =11a(6) =13a(7) =13a(8) =17a(9) =23a(10) =23a(11) =73a(12) =101a(13) =101a(14) =101a(15) =101a(16) =103a(17) =103a(18) =111a(19) =113a(20) =113a(21) =117a(22) =123a(23) =123a(24) =173a(25) =323a(26) =373a(27) =1103a(28) =1103a(29) =1111

External references