Triangle a(n,k) of number of M-sequences read by antidiagonals.

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =2a(5) =2a(6) =1a(7) =2a(8) =3a(9) =2a(10) =1a(11) =2a(12) =4a(13) =4a(14) =2a(15) =1a(16) =2a(17) =5a(18) =8a(19) =5a(20) =2a(21) =1a(22) =2a(23) =6a(24) =15a(25) =16a(26) =6a(27) =2a(28) =1a(29) =2