Created
February 11, 2012 22:40
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6n ± 1
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| from math import floor | |
| def pp(n): | |
| return (6*(floor(n/2)+1)) + (-1 if n % 2 == 0 else 1) | |
| for i in xrange(0, 50): | |
| print "%d\t\t%d" % (i, pp(i)) |
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