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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions

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(de kaprekar (N)
(let L (cons 0 (chop (* N N)))
(for ((I . R) (cdr L) R (cdr R))
(NIL (gt0 (format R)))
(T (= N (+ @ (format (head I L)))) N) ) ) )