Numbers to left of central elements of the (3,2)-Pascal triangle A029618 that are different from 3.

Terms

a(0) =8a(1) =11a(2) =14a(3) =26a(4) =17a(5) =40a(6) =20a(7) =57a(8) =90a(9) =23a(10) =77a(11) =147a(12) =26a(13) =100a(14) =224a(15) =322a(16) =29a(17) =126a(18) =324a(19) =546a(20) =32a(21) =155a(22) =450a(23) =870a(24) =1176a(25) =35a(26) =187a(27) =605a(28) =1320a(29) =2046