20 Aug
2005
20 Aug
'05
9:16 a.m.
It is well known that both are equal in count, but can anyone point me to a one-to-one transformation rule between both sets? example: {{7}, {6,1}, {5,2}, {4,3}, {4,2,1}} to & from {{7}, {5,1,1}, {3,3,1}, {3,1,1,1,1}, {1,1,1,1,1,1,1}} or is this a well known *dumb* question? W.