My Math Forum permutation of numbers and relations

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 June 16th, 2016, 11:17 PM #1 Newbie   Joined: Jun 2016 From: Berlin Posts: 1 Thanks: 0 permutation of numbers and relations How can I find the permutation for n different numbers and two relations (equal and less than)? for example for n=2 (2 different numbers), we have 3 permutation: a = b a < b b < a and for n=3 (3 different numbers), we have 13 permutation: a = b = c a = b < c a < b = c a < b < c a = c < b a < c < b b = c < a b < c = a b < c < a b < a < c c < b = a c < b < a c < a < b
 June 19th, 2016, 03:29 AM #2 Newbie     Joined: Jun 2016 From: Hong Kong Posts: 20 Thanks: 2 when all variables equal 1 way when all variables differ a

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