13 lines
305 B
Plaintext
13 lines
305 B
Plaintext
= Triangular Numbers =
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Triangular numbers are the number of objects arranged in an equilateral
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triangle.
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The first few are
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{{{
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0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, 136, 153, 171,
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190, 210, 231, 253, 276, 300, 325, 351, 378, 406, 435, 465, 496, 528, 561, 595,
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630, 666...
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}}}
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