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 A171882 Square array, read by antidiagonals, where T(n,k)=n^^k for n>=0, k>=0. 1
 1, 1, 0, 1, 1, 1, 1, 2, 1, 0, 1, 3, 4, 1, 1, 1, 4, 27, 16, 1, 0, 1, 5, 256, 7625597484987, 65536, 1, 1, 1, 6, 3125, 13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084096 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,8 COMMENTS n^^k defined the right-associative way: n^^2=n^n, n^^3=n^(n^n), n^^4=n^(n^(n^n)), etc. n^^0=1 by convention, so that n^^(k+1) = n^(n^^k) for all k>=0. More terms on Munafo website. Array begins: 1,0,1,0,1,0,1,... 1,1,1,1,1,1,1,... 1,2,4,16,65536,... 1,3,27,7625597484987,... 1,4,256,... 1,5,3125,... 1,6,46656,... LINKS R. Munafo, Hyper4 Iterated Exponential Function CROSSREFS Cf. A171881. Sequence in context: A071921 A003992 A246118 * A214075 A322267 A286933 Adjacent sequences:  A171879 A171880 A171881 * A171883 A171884 A171885 KEYWORD nonn,tabl AUTHOR Robert Munafo, Jan 21 2010 STATUS approved

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Last modified March 29 17:23 EDT 2020. Contains 333116 sequences. (Running on oeis4.)