Numbers whose maximal base 4 run length is 2.

Terms

a(0) =5a(1) =10a(2) =15a(3) =16a(4) =20a(5) =22a(6) =23a(7) =26a(8) =31a(9) =32a(10) =37a(11) =40a(12) =41a(13) =43a(14) =47a(15) =48a(16) =53a(17) =58a(18) =60a(19) =61a(20) =62a(21) =65a(22) =66a(23) =67a(24) =69a(25) =74a(26) =79a(27) =80a(28) =81a(29) =82