Distinct elements in the 5-Pascal triangle A028313.

Terms

a(0) =1a(1) =5a(2) =6a(3) =7a(4) =12a(5) =8a(6) =19a(7) =9a(8) =27a(9) =38a(10) =10a(11) =36a(12) =65a(13) =11a(14) =46a(15) =101a(16) =130a(17) =57a(18) =147a(19) =231a(20) =13a(21) =69a(22) =204a(23) =378a(24) =462a(25) =14a(26) =82a(27) =273a(28) =582a(29) =840