Square Numbers
In mathematics, a square number, sometimes also called a perfect square, is an integer that is the square of an integer; in other words, it is the product of some integer with itself. So, for example, 9 is a square number, since it can be written as 3 × 3.
Ten first square numbers are 1, 4, 9, 16, 25, 36, 49, 64, 81 and 100.
Pascal's Triangle
Looking at the horizontal rows of numbers, the sum of each line is doubled compared to the upper row. Looking at the horizontal lines to form a number that is obtained by multiplying by 11 the previous line number. 1331 x 11 = 14 641 etc.
1,331 x 1,1 = 1,4641
26.7.2015*13:30 (1227 - 1226)
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