Square array read by antidiagonals of base n numbers written as 122...222 with k 2's (and a suitable interpretation for n=0, 1 or 2).

A067763

Square array read by antidiagonals of base n numbers written as 122...222 with k 2's (and a suitable interpretation for n=0, 1 or 2).

Terms

    a(0) =1a(1) =2a(2) =1a(3) =2a(4) =3a(5) =1a(6) =2a(7) =5a(8) =4a(9) =1a(10) =2a(11) =7a(12) =10a(13) =5a(14) =1a(15) =2a(16) =9a(17) =22a(18) =17a(19) =6a(20) =1a(21) =2a(22) =11a(23) =46a(24) =53a(25) =26a(26) =7a(27) =1a(28) =2a(29) =13

External references