

A209384


Trirecursive sequence: a(n) = a(a(a(n  1))) + a(n  a(a(n  1))), a(0) = 0, a(1) = a(2) = a(3) = a(4) = a(5) = a(6) = 1.


2



0, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 7, 7, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 12, 13, 13, 13, 13, 13, 13, 14, 15, 16, 16, 16, 16, 16, 16, 17, 18, 19, 20, 20, 20, 20, 20, 20, 21, 22, 23, 24
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