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Search: id:A001229
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A001229 phi(sigma(n)) = n. +0
5
1, 2, 8, 12, 128, 240, 720, 6912, 32768, 142560, 712800, 1140480, 1190400, 3345408, 3571200, 5702400, 14859936, 29719872, 50319360, 118879488, 2147483648, 3889036800, 4389396480, 21946982400, 47416320000, 92177326080, 133145026560 (list; graph; listen)
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Last modified December 5 20:25 EST 2009. Contains 170428 sequences.


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