The gigurea is equal to \(s(10,100,3,2) = s(10,s(10,99,3,2),2,2)\) using strong array notation.[1] The term was coined by Aarex Tiaokhiao.
Approximations in other notations
| Notation | Approximation |
|---|---|
| BEAF | \(\{\{10,10\},100,2,2\}\) |
| Bird's array notation | \(\{\{10,10\},100,2,2\}\) |
| Hyper-E notation | \(E10\#\#10\#100\#100\) |
| Chained arrow notation | \(10 \rightarrow 10 \rightarrow 100 \rightarrow 3\) (exact) |
| Hyperfactorial array notation | \(100![3]\) |
| X-Sequence Hyper-Exponential Notation | \(10\{X+2\}100\) |
| Fast-growing hierarchy (using CNF's fundamental sequences) | \(f_{\omega+2}(99)\) |
| Hardy hierarchy | \(H_{\omega^{\omega+2}}(99)\) |
| Slow-growing hierarchy | \(g_{\varphi(1,1,0)}(99)\) |