Square array A(n,k) = A276945(n,k)-1, read by descending antidiagonals: A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), etc.

A286615

Square array A(n,k) = A276945(n,k)-1, read by descending antidiagonals: A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), etc.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =5a(4) =7a(5) =3a(6) =29a(7) =35a(8) =11a(9) =4a(10) =209a(11) =239a(12) =59a(13) =13a(14) =6a(15) =2309a(16) =2519a(17) =419a(18) =65a(19) =31a(20) =8a(21) =30029a(22) =32339a(23) =4619a(24) =449a(25) =215a(26) =37a(27) =9a(28) =510509a(29) =540539

External references