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A272595 Numbers n such that the multiplicative group modulo n is the direct product of 5 cyclic groups. 9
840, 1320, 1560, 1680, 1848, 2040, 2184, 2280, 2520, 2640, 2760, 2856, 3080, 3120, 3192, 3360, 3432, 3480, 3640, 3696, 3720, 3864, 3960, 4080, 4200, 4368, 4440, 4488, 4560, 4620, 4680, 4760, 4872, 4920, 5016, 5040, 5160, 5208, 5280, 5304, 5320, 5460, 5520, 5544, 5640, 5712, 5720, 5880, 5928, 6072, 6120 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Numbers n such that A046072(n) = 5.

LINKS

Table of n, a(n) for n=1..51.

PROG

(PARI) for(n=1, 10^4, my(t=#(znstar(n)[2])); if(t==5, print1(n, ", ")));

CROSSREFS

Direct product of k groups: A033948 (k=1), A272593 (k=2), A272593 (k=3), A272594 (k=4), A272596 (k=6), A272597 (k=7), A272598 (k=8), A272599 (k=9).

Sequence in context: A144770 A068546 A033269 * A179670 A092002 A169827

Adjacent sequences:  A272592 A272593 A272594 * A272596 A272597 A272598

KEYWORD

nonn

AUTHOR

Joerg Arndt, May 05 2016

STATUS

approved

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Last modified February 25 11:22 EST 2020. Contains 332233 sequences. (Running on oeis4.)