a(n) is the total number of squares after n iterations of the "Square Multiscale" substitution.

Terms

a(0) =1a(1) =17a(2) =33a(3) =49a(4) =65a(5) =321a(6) =337a(7) =849a(8) =865a(9) =1633a(10) =1649a(11) =2673a(12) =6769a(13) =6785a(14) =8065a(15) =20353a(16) =20369a(17) =21905a(18) =46481a(19) =46497a(20) =48289a(21) =89249a(22) =154785a(23) =154801a(24) =156849a(25) =218289a(26) =480433a(27) =480449a(28) =482753a(29) =568769