a(n+1) = 2^a(n) with a(0) = 0. This is the Ackermann function A_3(n+1) as defined in the Comments line..
0, 1, 2, 4, 16, 6553
6 seqfan posts
Thu Jun 11 00:37:33 CEST 2009 [seqfan] Re: A004249, A007516
Wed Jun 10 23:12:54 CEST 2009 [seqfan] Re: A004249, A007516
Wed Jun 10 22:03:19 CEST 2009 [seqfan] Re: A004249, A007516
Wed Jun 10 21:13:29 CEST 2009 [seqfan] Re: A004249, A007516
Wed Jun 10 21:08:58 CEST 2009 [seqfan] Re: A004249, A007516
Wed Jun 10 21:00:27 CEST 2009 [seqfan] Re: A004249, A007516
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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