Numbers having four 2's in base 9.

Terms

a(0) =1640a(1) =8201a(2) =13304a(3) =14033a(4) =14600a(5) =14681a(6) =14744a(7) =14753a(8) =14760a(9) =14761a(10) =14763a(11) =14764a(12) =14765a(13) =14766a(14) =14767a(15) =14768a(16) =14771a(17) =14780a(18) =14789a(19) =14798a(20) =14807a(21) =14816a(22) =14843a(23) =14924a(24) =15005a(25) =15086a(26) =15167a(27) =15248a(28) =15491a(29) =16220