Let f(1,x)=x+1; f(n+1,x)=f(n,f(n,...f(n,x)...)), the formula contains x applications of f. This sequence is a(n)=f(n,2).
3, 4, 8, 204
5 seqfan posts
Sat Jan 17 23:58:42 CET 2009 [seqfan] Re: A154714
Thu Jan 15 14:11:17 CET 2009 [seqfan] Re: A154714
Thu Jan 15 13:25:36 CET 2009 [seqfan] Re: A154714
Thu Jan 15 13:25:36 CET 2009 [seqfan] Re: A154714
Thu Jan 15 10:31:14 CET 2009 [seqfan] A154714
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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