Numbers whose base-4 representation contains exactly one 1 and four 3's.

Terms

a(0) =511a(1) =895a(2) =991a(3) =1015a(4) =1021a(5) =1279a(6) =1791a(7) =1855a(8) =1983a(9) =1999a(10) =2031a(11) =2035a(12) =2043a(13) =2044a(14) =2046a(15) =2559a(16) =2943a(17) =3039a(18) =3063a(19) =3069a(20) =3199a(21) =3295a(22) =3319a(23) =3325a(24) =3391a(25) =3519a(26) =3535a(27) =3567a(28) =3571a(29) =3579