Elements to right of central elements in 3-Pascal triangle A028262 that are not 1.

Terms

a(0) =4a(1) =5a(2) =13a(3) =6a(4) =19a(5) =7a(6) =45a(7) =26a(8) =8a(9) =71a(10) =34a(11) =9a(12) =161a(13) =105a(14) =43a(15) =10a(16) =266a(17) =148a(18) =53a(19) =11a(20) =588a(21) =414a(22) =201a(23) =64a(24) =12a(25) =1002a(26) =615a(27) =265a(28) =76a(29) =13