Numbers with exactly two 2's in base 5 expansion.

Terms

a(0) =12a(1) =37a(2) =52a(3) =57a(4) =60a(5) =61a(6) =63a(7) =64a(8) =67a(9) =72a(10) =87a(11) =112a(12) =137a(13) =162a(14) =177a(15) =182a(16) =185a(17) =186a(18) =188a(19) =189a(20) =192a(21) =197a(22) =212a(23) =237a(24) =252a(25) =257a(26) =260a(27) =261a(28) =263a(29) =264