Odd elements (greater than 1) to right of central elements in 4-Pascal triangle A028275.

Terms

a(0) =5a(1) =7a(2) =23a(3) =55a(4) =31a(5) =9a(6) =11a(7) =61a(8) =237a(9) =73a(10) =13a(11) =735a(12) =1947a(13) =1045a(14) =15a(15) =4587a(16) =1441a(17) =115a(18) =9867a(19) =7579a(20) =4433a(21) =1937a(22) =611a(23) =131a(24) =17a(25) =19a(26) =185a(27) =1241a(28) =205a(29) =21