[理工] [離散]-中正97-通訊

[noty1311 (木子)]

A(0,n) = n+1              n>0
A(m,0) = A(m-1,1)         m>0
A(m,n) = A(m-1,A(m,n-1))  m,n>0

What is A(4,1)?

不知道要怎麼算，我代到一半就放棄了...

--
※ 發信站: 批踢踢實業坊(ptt.cc) 
◆ From: 218.172.120.101