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Search: id:A143797
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A143797 Ackermann-Buck function, defined recursively by A(0,n) = n+1, A(1,0) = 2, A(2,0) = 0, A(n+3,0) = 1, A(m+1,n+1) = A(m,A(m+1,n)) for any nonnegative integers n, m. Table read by antidiagonals, the second term being A(0,1). +0
2
1, 2, 2, 3, 3, 0, 4, 4, 2, 1, 5, 5, 4, 2, 1, 6, 6, 6, 4, 2, 1, 7, 7, 8, 8, 4, 2, 1, 8, 8, 10, 16, 16, 4, 2, 1, 9, 9, 12, 32, 65536, 65536, 4, 2, 1, 10, 10, 14, 64 (list; table; graph; listen)
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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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