A216823 Prime factors of Giuga numbers A007850 with 8 or fewer prime divisors.

2, 3, 5, 7, 11, 13, 17, 23, 31, 41, 43, 59, 71, 103, 163, 1381, 1831, 3041, 4447, 47057, 47059, 47137, 61559, 67213, 138683, 713863, 775807, 2861051, 28282147, 29133437, 2259696349, 3892535183, 110725121051, 1456230512169437

Offset

1,1

Comments

See A007850 for comments, references, and links.

Links

Table of n, a(n) for n=1..34.

Example

30 = 2*3*5 is a Giuga number, so 2, 3, 5 are members.

Crossrefs

Cf. A007850, A216824, A236434.

Sequence in context: A316412 A100553 A175584 * A293199 A268812 A283562

Adjacent sequences: A216820 A216821 A216822 * A216824 A216825 A216826

Keyword

nonn,fini,full

Author

Jonathan Sondow, Sep 17 2012

Status

approved