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SOME SQUARE OVER THE RAINBOW
It is obvious that it has the seven colours of the rainbow and that it has squares but it also represents one way of generating square numbers.
Every square number is the sum of odd numbers. The odd numbers here are shown in the L shapes:
1 + 3 + 5 + 7 + 9 + 11 + 13 = 49, which is the square of 7.
KNITTING INFORMATION
Use any yarn and needles of your choice. It is not essential to use seven different colours. The design works well in two colours. You don’t even need to have seven bands.
The afghan can be made to any size by adjusting the number, and width, of the squares.
Scroll down for more information about
Some Square Over The Rainbow
RELATED DESIGNS
NUMBER AFGHANS
CONSTRUCTION INFORMATION
The original afghan was constructed in L-
The L-
It could be knitted in strips.
Some Square Over The Rainbow has 49 small squares -
Each colour has an odd number of squares. There is one violet square, 3 indigo squares, 5 blue, 7 green, 9 yellow, 11 orange and 13 red, making the total of 49.
Square numbers are the sum of odd numbers.
The first square number is 1.
The second is 4 (2 x 2), which is 1 + 3.
The third is 9 (3 x 3), which is 1 + 3 + 5.
... and so on
The seventh is 1 + 3 + 5 + 7 + 9 + 11 + 13 = 49
