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A090075
(Presumed) number of palindromes in the Reverse and Add! trajectory of 10^n.
2
11, 9, 8, 9, 12, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11
OFFSET
0,1
COMMENTS
The absolute maximum 12 at n = 4 and a(n) = 11 for n > 5 support the conjecture (cf. A077594) that there is no positive integer whose trajectory contains more than twelve palindromes.
The last palindrome in the Reverse and Add! trajectory of 10^n is given in A090074.
KEYWORD
nonn,base
AUTHOR
Klaus Brockhaus, Nov 20 2003
STATUS
approved