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

Terms

a(0) =20a(1) =21a(2) =22a(3) =23a(4) =24a(5) =25a(6) =26a(7) =27a(8) =28a(9) =29a(10) =30a(11) =31a(12) =32a(13) =33a(14) =34a(15) =35a(16) =36a(17) =37a(18) =38a(19) =39a(20) =40a(21) =41a(22) =42a(23) =43a(24) =44a(25) =45a(26) =46a(27) =47a(28) =48a(29) =49