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A178997 Super-Poulet numbers having more than two prime factors. 1
294409, 1398101, 1549411, 1840357, 12599233, 13421773, 15162941, 15732721, 28717483, 29593159, 61377109, 66384121, 67763803, 74658629, 78526729, 90341197, 96916279, 109322501 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

This is a subsequence of the super-Poulet numbers, A050217. Of the first 1000 super-Poulet numbers, only 18 have more than two prime factors.

REFERENCES

Vladimir Shevelev, Gilberto Garcia-Pulgarin, Juan Miguel Velasquez-Soto and John H. Castillo, Overpseudoprimes, and Mersenne and Fermat numbers as primover numbers, Arxiv preprint arXiv:1206:0606, 2012. - From N. J. A. Sloane, Oct 28 2012

LINKS

Table of n, a(n) for n=1..18.

CROSSREFS

Sequence in context: A050249 A224973 A182206 * A206237 A023351 A109031

Adjacent sequences:  A178994 A178995 A178996 * A178998 A178999 A179000

KEYWORD

nonn

AUTHOR

T. D. Noe, Jan 11 2011

STATUS

approved

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Last modified June 19 11:03 EDT 2013. Contains 226404 sequences.