OFFSET
0,3
LINKS
EXAMPLE
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
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Antti Karttunen, Sep 19 2009
STATUS
approved