Number of distinct values taken by w^w^...^w (with n w's and parentheses inserted in all possible ways) where w is the first transfinite ordinal omega.
A199812
Number of distinct values taken by w^w^...^w (with n w's and parentheses inserted in all possible ways) where w is the first transfinite ordinal omega.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =13a(5) =32a(6) =79a(7) =193a(8) =478a(9) =1196a(10) =3037a(11) =7802a(12) =20287a(13) =53259a(14) =141069a(15) =376449a(16) =1011295a(17) =2732453a(18) =7421128a(19) =20247355
External references
- oeis: A199812