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  • \$\begingroup\$ So, in practice, this works for no single input? According to the rules, it must work at least for integers 1 to 255... \$\endgroup\$ Commented Dec 21, 2015 at 20:25
  • \$\begingroup\$ This solution is valid for wikis that allow at least a recursive depth of 253. \$\endgroup\$ Commented Dec 21, 2015 at 20:29