A216899 Smallest palindromic number of 5 digits in two bases differing by n.

2293, 5001, 15731, 23341, 31279, 90209, 94249, 131766, 221866, 380809, 589816, 499617, 661753, 1219745, 999503, 1456663, 1722526, 2376918, 2552395, 2450410, 2983858, 4317391, 5582689, 4490153, 4934907, 6298020, 7410454, 8531146, 9232273, 11891740, 11309998

Offset: 1

Author

James G. Merickel, Sep 19 2012

Keywords

• nonn
• base

Comments

Part of a collection. See comments sections of A216840 and A216841. Smaller of base pairs are 5, 6, 7, 8, 8, 10, 10, 11, 12, 14. The A171*** c-refs are to various record multi-base palindromes.

Examples

			2293 is 33133 in base 5 and is 14341 in base 6.  No smaller number is a 5-digit palindrome in both of two bases differing by 1.
15731 is 35653 in base 8 and 10901 in base 11. - _Chai Wah Wu_, Aug 20 2015
		

Links

• Chai Wah Wu, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A171701, A171702, A171703, A171704, A171705, A171706, A171740, A171741, A171742, A171775, A216840, A216841, A216843, A216900, A216901, A216902, A216903, A216904, A216905, A216906, A216907, A216908, A216909, A216910.

Extensions

More terms and corrected a(3) and a(10) by Chai Wah Wu, Aug 20 2015