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A216899
Smallest palindromic number of 5 digits in two bases differing by n.
16
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
1,1
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.
EXAMPLE
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
KEYWORD
nonn,base
AUTHOR
James G. Merickel, Sep 19 2012
EXTENSIONS
More terms and corrected a(3) and a(10) by Chai Wah Wu, Aug 20 2015
STATUS
approved