A216906 Smallest palindromic number of length 12 in two bases differing by n.

248876637484140, 1013960892216384, 1093158208940760, 101975569769446364, 16699985993414520, 1310809863419914830, 331113952227684640

Offset: 2

Author

James G. Merickel, Sep 19 2012

Keywords

• nonn
• base

Comments

See comments in A216840, A216841. Smaller of pair of bases are 17, 20, 19, 28, 23. A216*** cross-references are other sequences in a collection that includes this one, while A171*** sequences are various record multi-base palindromes.

Examples

			The first term is 747B6336B747 in base 17 and 22B4I88I4B22 in base 19.
		

Crossrefs

Cf. A171701, A171702, A171703, A171704, A171705, A171706, A171740, A171741, A171742, A171775, A216840, A216841, A216843, A216899, A216900, A216901, A216902, A216903, A216904, A216905, A216907, A216908, A216909, A216910.

Extensions

a(7)-a(8) from Chai Wah Wu, Aug 19 2015