The 10^n-th 3-almost prime.

Terms

a(0) =8a(1) =45a(2) =412a(3) =3918a(4) =38991a(5) =395085a(6) =4046429a(7) =41657362a(8) =429891626a(9) =4439956573a(10) =45851698382a(11) =473238120286