A166730 Positive integers with English names ending in "y".
20, 30, 40, 50, 60, 70, 80, 90, 120, 130, 140, 150, 160, 170, 180, 190, 220, 230, 240, 250, 260, 270, 280, 290, 320, 330, 340, 350, 360, 370, 380, 390, 420, 430, 440, 450, 460, 470, 480, 490, 520, 530, 540, 550, 560, 570, 580, 590, 620, 630, 640, 650, 660
Offset: 1
Examples
Twenty (20) is a term. Ten (10) is not a term (but is a term of A060228); one hundred (100) is not a term (but is a term of A166731); one million (1000000) is not a term (but is in A060228).
Formula
A008592 MINUS {n | n = 0 mod 100 or n = 10 mod 100}.