Number of distinct values taken by 10^10^...^10 (with n 10's and parentheses inserted in all possible ways).
A145550
Number of distinct values taken by 10^10^...^10 (with n 10's and parentheses inserted in all possible ways).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =9a(5) =20a(6) =48a(7) =115a(8) =286a(9) =719a(10) =1842a(11) =4766a(12) =12486a(13) =32972a(14) =87807a(15) =235365a(16) =634792a(17) =1720976a(18) =4688090a(19) =12824381a(20) =35216108a(21) =97037603a(22) =268229329a(23) =743562936a(24) =2066686470a(25) =5758171390a(26) =16079351152
External references
- oeis: A145550