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

1,1

Links

John Cerkan, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A046339, A046340.

Sequence in context: A357896 A078895 A366430 * A046329 A046377 A075816

Adjacent sequences: A046338 A046339 A046340 * A046342 A046343 A046344

Keyword

nonn,base

Author

Patrick De Geest, Jun 15 1998

Extensions

Title corrected by Sean A. Irvine, Apr 08 2021

Status

approved