Number of distinct values taken by 3^3^...^3 (with n 3's and parentheses inserted in all possible ways).
1, 1, 2, 4, 9, 20, 47, 111, 270, 664, 1659, 4184, 10662, 27367, 70747, 183925
3 seqfan posts
Mon Mar 19 12:01:24 CET 2012 [seqfan] Re: Paraffin Numbers
Thu Nov 3 18:23:40 CET 2011 [seqfan] Re: Intersections of x^x^...^x
Thu Nov 3 11:53:43 CET 2011 [seqfan] Re: Intersections of x^x^...^x
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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