A367634 Array read by descending antidiagonals, where row n=0 lists the natural numbers and where each new row n=1,2,... is found by taking the number n in the previous row, and "leaping" it over the next n terms to its right, keeping the other numbers fixed (see example).
1, 2, 2, 3, 1, 1, 4, 3, 3, 1, 5, 4, 2, 2, 1, 6, 5, 4, 4, 2, 1, 7, 6, 5, 5, 5, 2, 1, 8, 7, 6, 3, 3, 3, 2, 1, 9, 8, 7, 6, 6, 6, 3, 2, 1, 10, 9, 8, 7, 7, 7, 7, 3, 2, 1, 11, 10, 9, 8, 4, 4, 4, 4, 3, 2, 1, 12, 11, 10, 9, 8, 8, 8, 8, 4, 3, 2, 1, 13, 12, 11, 10, 9, 5, 5, 5, 5, 4, 3, 2, 1
Offset: 1
Examples
The array begins: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, ... 2, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, ... 1, 3, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, ... 1, 2, 4, 5, 3, 6, 7, 8, 9, 10, 11, 12, 13, ... 1, 2, 5, 3, 6, 7, 4, 8, 9, 10, 11, 12, 13, ... 1, 2, 3, 6, 7, 4, 8, 5, 9, 10, 11, 12, 13, ... 1, 2, 3, 7, 4, 8, 5, 9, 10, 6, 11, 12, 13, ... 1, 2, 3, 4, 8, 5, 9, 10, 6, 11, 7, 12, 13, ... 1, 2, 3, 4, 5, 9, 10, 6, 11, 7, 12, 13, 8, ... 1, 2, 3, 4, 5, 10, 6, 11, 7, 12, 13, 8, 14, ... 1, 2, 3, 4, 5, 6, 11, 7, 12, 13, 8, 14, 15, ... 1, 2, 3, 4, 5, 6, 7, 12, 13, 8, 14, 15, 9, ... 1, 2, 3, 4, 5, 6, 7, 13, 8, 14, 15, 9, 16, ... ...