A045638 Palindromic and divisible by 3.
0, 3, 6, 9, 33, 66, 99, 111, 141, 171, 222, 252, 282, 303, 333, 363, 393, 414, 444, 474, 525, 555, 585, 606, 636, 666, 696, 717, 747, 777, 828, 858, 888, 909, 939, 969, 999, 1221, 1551, 1881, 2112, 2442, 2772, 3003, 3333, 3663, 3993, 4224, 4554, 4884, 5115
Offset: 1
Links
- Harvey P. Dale, Table of n, a(n) for n = 1..2001
Crossrefs
Programs
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Mathematica
Select[Range[0,5500,3],PalindromeQ] (* Harvey P. Dale, Apr 14 2023 *)
Extensions
Edited to include a(1) = 0 by Paolo Xausa, Jul 07 2025