About ‘4x4 in 16 | ID=04 | V=21 | P #01’ by Gerhard Haberern
Special arrangement with red, green, blue and yellow.
ID=04, Version=21, Permutation #01
Of four colors, each color is present four times (small squares). These 16 (4x4) squares are arranged to form a large square.
Restriction:
No identical colours should be next to each other, neither
- horizontal
-…
Colors
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I deal with constructive graphics.
I am probably one of many unknown pioneers of computer graphics. Graphics with a "ph", I insist.
Already at school my student work was constructive. The work afterwards was mainly with ink, ruler and compass. Only for a short time I had also constructed with colour. Later only with ink, in black and white.
Since my first programming course in summer 1975 - shortly after I started my physics studies -…