Triangle T(n,m) read by rows: the number of n X m arrays with nonnegative integers, zeros on the border rows/columns and maximum difference one between any entry and its 4 neighbors.
A346793
Triangle T(n,m) read by rows: the number of n X m arrays with nonnegative integers, zeros on the border rows/columns and maximum difference one between any entry and its 4 neighbors.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =4a(5) =16a(6) =1a(7) =8a(8) =64a(9) =528a(10) =1a(11) =16a(12) =256a(13) =4368a(14) =75536a(15) =1a(16) =32a(17) =1024a(18) =36176a(19) =1312656a(20) =48185392a(21) =1a(22) =64a(23) =4096a(24) =299664a(25) =22844432a(26) =1776652720a(27) =139414770480a(28) =1a(29) =128
External references
- oeis: A346793