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A046329
Palindromes with exactly 3 prime factors (counted with multiplicity).
7
8, 44, 66, 99, 171, 212, 222, 242, 282, 292, 333, 343, 363, 404, 434, 474, 494, 555, 575, 595, 606, 646, 747, 777, 909, 969, 1001, 1221, 1331, 1551, 1771, 2222, 2882, 3333, 3553, 4334, 4994, 5335, 5555, 5665, 5885, 5995, 6226, 6446, 6886, 7337, 7557
OFFSET
1,1
MATHEMATICA
Select[Range[8000], PalindromeQ[#]&&PrimeOmega[#]==3&] (* Harvey P. Dale, Dec 24 2021 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Jun 15 1998
STATUS
approved