OFFSET
1,2
COMMENTS
1 is included, as it has no prime factors at all, thus no prime factors outside of A045410.
LINKS
A. Karttunen, Table of n, a(n) for n = 1..1001
PROG
(MIT Scheme with macro MATCHING-POS by AK:)
(define A166104 (MATCHING-POS 1 1 (lambda (n) (for-all? (factor n) (lambda (p) (or (= 1 p) (= 3 p) (= 5 (modulo p 6))))))))
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Oct 13 2009
STATUS
approved