A046341 Composite palindromes with an odd number of prime factors (counted with multiplicity).
8, 44, 66, 99, 171, 212, 222, 242, 252, 272, 282, 292, 333, 343, 363, 404, 434, 464, 474, 494, 555, 575, 595, 606, 616, 646, 656, 696, 747, 777, 828, 848, 888, 909, 969, 1001, 1221, 1331, 1551, 1771, 2222, 2552, 2882, 3333, 3553, 4004, 4224, 4334, 4554
Offset: 1
Links
- John Cerkan, Table of n, a(n) for n = 1..10000
Extensions
Title corrected by Sean A. Irvine, Apr 08 2021