A163907 Permutation A163905 shown in N x N grid.
0, 1, 2, 9, 3, 14, 10, 11, 12, 15, 16, 8, 4, 13, 47, 18, 19, 6, 7, 45, 44, 20, 17, 27, 5, 39, 46, 40, 21, 22, 25, 26, 37, 38, 41, 42, 149, 23, 30, 24, 58, 36, 33, 43, 234, 150, 151, 29, 28, 56, 57, 34, 35, 232, 235, 152, 148, 157, 31, 54, 59, 49, 32, 236, 233, 227, 154
Offset: 0
Examples
The top left 8x8 corner of this array: +0 +1 +9 10 16 18 20 21 +2 +3 11 +8 19 17 22 23 14 12 +4 +6 27 25 30 29 15 13 +7 +5 26 24 28 31 47 45 39 37 58 56 54 53 44 46 38 36 57 59 52 55 40 41 33 34 49 51 60 61 42 43 35 32 48 50 62 63