Triangle T(n,k) read by rows: left edge is 0, 1, 2, ... (cf. A001477); otherwise each entry is sum of entry to left and entries immediately above it to left and right, with 1 for the missing right term at right edge.
A224791
Triangle T(n,k) read by rows: left edge is 0, 1, 2, ... (cf. A001477); otherwise each entry is sum of entry to left and entries immediately above it to left and right, with 1 for the missing right term at right edge.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =2a(4) =5a(5) =8a(6) =3a(7) =10a(8) =23a(9) =32a(10) =4a(11) =17a(12) =50a(13) =105a(14) =138a(15) =5a(16) =26a(17) =93a(18) =248a(19) =491a(20) =630a(21) =6a(22) =37a(23) =156a(24) =497a(25) =1236a(26) =2357a(27) =2988a(28) =7a(29) =50
External references
- oeis: A224791