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A132288
Mirror odd numbers with only two prime divisor.
1
33, 55, 77, 1111, 1441, 1661, 1991, 3113, 3223, 3443, 3883, 7117, 7447, 7997, 9119, 9229, 9449, 100001, 103301, 104401, 107701, 113311, 115511, 116611, 124421, 125521, 130031, 136631, 139931, 146641, 152251, 157751, 160061, 163361, 164461, 169961, 170071
OFFSET
1,1
COMMENTS
One of these divisors is number 11 and the second is A132287(n).
PROG
(PARI) lista(nn) = {for(n=1, nn, if (ismo(n) && (bigomega(n) == 2), print1(n, ", "); ); ); } \\ Michel Marcus, Nov 05 2013
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Artur Jasinski, Aug 16 2007
EXTENSIONS
More terms from Michel Marcus, Nov 05 2013
STATUS
approved