OFFSET
0,1
COMMENTS
A (3/2)+ power is a word of the form xx', where x' is a prefix of x and |x'| > |x|/2. Every odd length (2n+1) is guaranteed to have at least one such palindrome.
EXAMPLE
For n = 2 the possibilities are {01210, 01310, 02120, 02320, 03130, 03230} and their images under permutations of the alphabet.
CROSSREFS
KEYWORD
nonn
AUTHOR
Jeffrey Shallit, Dec 16 2016
STATUS
approved