A163917 Permutation A163915 shown in N x N grid.
0, 1, 3, 7, 2, 9, 5, 6, 8, 10, 16, 4, 14, 11, 48, 17, 18, 13, 12, 51, 50, 20, 19, 28, 15, 52, 49, 60, 21, 23, 29, 31, 53, 55, 61, 63, 127, 22, 27, 30, 47, 54, 57, 62, 149, 125, 126, 25, 24, 46, 45, 59, 56, 148, 150, 118, 124, 113, 26, 39, 44, 35, 58, 152, 151, 146, 117
Offset: 0
Examples
The top left 8x8 corner of this array: +0 +1 +7 +5 16 17 20 21 +3 +2 +6 +4 18 19 23 22 +9 +8 14 13 28 29 27 25 10 11 12 15 31 30 24 26 48 51 52 53 47 46 39 37 50 49 55 54 45 44 36 38 60 61 57 59 35 34 40 41 63 62 56 58 32 33 43 42