Numbers to right of central elements of the (3,2)-Pascal triangle A029618.

Terms

a(0) =2a(1) =2a(2) =7a(3) =2a(4) =9a(5) =2a(6) =24a(7) =11a(8) =2a(9) =35a(10) =13a(11) =2a(12) =85a(13) =48a(14) =15a(15) =2a(16) =133a(17) =63a(18) =17a(19) =2a(20) =308a(21) =196a(22) =80a(23) =19a(24) =2a(25) =504a(26) =276a(27) =99a(28) =21a(29) =2