Numbers with exactly 2 1's in their base 5 expansion.

Terms

a(0) =6a(1) =26a(2) =30a(3) =32a(4) =33a(5) =34a(6) =36a(7) =41a(8) =46a(9) =56a(10) =81a(11) =106a(12) =126a(13) =130a(14) =132a(15) =133a(16) =134a(17) =136a(18) =141a(19) =146a(20) =150a(21) =152a(22) =153a(23) =154a(24) =160a(25) =162a(26) =163a(27) =164a(28) =165a(29) =167