Numbers of the form 5^j + 6^k, for j and k >= 0.

Terms

a(0) =2a(1) =6a(2) =7a(3) =11a(4) =26a(5) =31a(6) =37a(7) =41a(8) =61a(9) =126a(10) =131a(11) =161a(12) =217a(13) =221a(14) =241a(15) =341a(16) =626a(17) =631a(18) =661a(19) =841a(20) =1297a(21) =1301a(22) =1321a(23) =1421a(24) =1921a(25) =3126a(26) =3131a(27) =3161a(28) =3341a(29) =4421