Name for sequence y=0[0]0. y=1[1]1, y=2[2]2, y= n[n]n, y=x[x]x, y=i[i]i, y=z[z]z etc?
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Name for sequence y=0[0]0. y=1[1]1, y=2[2]2, y= n[n]n, y=x[x]x, y=i[i]i, y=z[z]z etc?
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No, the Ackermann numbers (from MathWorld) are defined as \( n[n+2]n \), because they are defined by arrow notation, and not box notation.
The numbers defined by \( n[n]n \) have no name. Andrew Robbins |
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