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Decduans is equal to [2,10] using PlantStar's Debut Notation.[1] The term was coined by PlantStar.

Unfortunately, the original defintion of this number is currently ill-defined, so DeepLineMadom pointed out in that user page and fixed the ill-definedness for the rule applicable to this expression, and is equal to 48484810 = 484864,925,062,108,545,024 ≈ 1010109,154,691,756,057,088.

## Approximations

Here, we write an approximation of this number with respect to the fixed definition given by DeepLineMadom.

Notation Approximation
Bowers Exploding Array Function {48,{48,{48,10}}} (exact)
Bird's array notation {48,{48,{48,10}}} (exact)
Hyper-E notation E[48]10#3 (exact)
Chained arrow notation $$48 \rightarrow (48 \rightarrow (48 \rightarrow 10))$$ (exact)
Fast-growing hierarchy $$f_{2}^3(50)$$
Hardy hierarchy $$H_{\omega^{2}3}(50)$$
Slow-growing hierarchy $$g_{\omega^{\omega^{\omega^{10}}}}(48)$$ (exact)