Definition:Giuga Number/Sequence
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Sequence
The sequence of Giuga numbers begins:
- $30, 858, 1722, 66 \, 198, 2 \, 214 \, 408 \, 306, 24 \, 423 \, 128 \, 562, 432 \, 749 \, 205 \, 173 \, 838, \ldots$
This sequence is A007850 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).