First numerator and then denominator of the elements to the right of the central elements of the 1/3-Pascal triangle (by row), excluding 1's and 3's.

A046549

First numerator and then denominator of the elements to the right of the central elements of the 1/3-Pascal triangle (by row), excluding 1's and 3's.

Terms

    a(0) =4a(1) =7a(2) =5a(3) =10a(4) =25a(5) =13a(6) =55a(7) =38a(8) =16a(9) =31a(10) =18a(11) =19a(12) =203a(13) =49a(14) =73a(15) =22a(16) =350a(17) =220a(18) =95a(19) =25a(20) =252a(21) =190a(22) =105a(23) =40a(24) =28a(25) =442a(26) =295a(27) =145a(28) =148a(29) =31

External references