Triangle a(n,k) read by antidiagonals: a(n,k) is the number of dots in the k-augmented centered triangle of order n, k>=0, n>=1.
A385108
Triangle a(n,k) read by antidiagonals: a(n,k) is the number of dots in the k-augmented centered triangle of order n, k>=0, n>=1.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =1a(4) =10a(5) =10a(6) =1a(7) =31a(8) =31a(9) =19a(10) =1a(11) =109a(12) =109a(13) =64a(14) =31a(15) =1a(16) =409a(17) =409a(18) =235a(19) =109a(20) =46a(21) =1a(22) =1585a(23) =1585a(24) =901a(25) =409a(26) =166a(27) =64a(28) =1a(29) =6241
External references
- oeis: A385108