login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A216843
Smallest palindromic numbers of length 4 in two bases differing by n.
16
624, 910, 19040, 17520, 7056, 16842, 13320, 42876, 30480, 27650, 14376, 18226, 22708, 27870, 33760, 50524, 71856, 70338, 55981, 113694, 107888, 75810, 139920, 223000, 140608, 157464, 175616, 195112, 125000, 238328, 262144, 287496, 314432, 343000, 238329
OFFSET
2,1
COMMENTS
See A216841 and A216840 for their comment sections. The A171*** c-refs are to various record small multi-base palindromes. The others are the remainder of this collection.
EXAMPLE
624 (in decimal), the 1st term here, is 4444 in base 5 and 1551 in base 7.
KEYWORD
nonn,base
AUTHOR
James G. Merickel, Sep 19 2012
EXTENSIONS
More terms from Chai Wah Wu, Aug 16 2015
STATUS
approved