Numbers whose American English name contains the letter 's'.

Terms

a(0) =6a(1) =7a(2) =16a(3) =17a(4) =26a(5) =27a(6) =36a(7) =37a(8) =46a(9) =47a(10) =56a(11) =57a(12) =60a(13) =61a(14) =62a(15) =63a(16) =64a(17) =65a(18) =66a(19) =67a(20) =68a(21) =69a(22) =70a(23) =71a(24) =72a(25) =73a(26) =74a(27) =75a(28) =76a(29) =77