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The iteral or superdecal is equal to {10,10,10,10,10,10,10,10,10,10} (10 tens) = {10,10 (1) 2} = {10,2,2 (1) 2} = {10,2/2} in BEAF[1] or 10 & 10, using the array of operator. The term was coined by Jonathan Bowers.

## Approximations

Notation Approximation
Bird's array notation $$\{10,10 [2] 2\}$$ (exact)
Hyperfactorial array notation $$10![[1,10],8,8]$$
X-Sequence Hyper-Exponential Notation $$10\{X^8\}10$$ (exact)
Fast-growing hierarchy $$f_{\omega^{8}}(10)$$
Hardy hierarchy $$H_{\omega^{\omega^{8}}}(10)$$
Slow-growing hierarchy $$g_{\vartheta(\Omega^{7} \omega)}(10)$$

## Sources

1. Bowers, JonathanInfinity Scrapers. Retrieved January 2013.

Tritri series: tritri · tritet · tripent · trisept · tridecal · grand tridecal
Tetratri series: tetratri · supertet · general(plex)
Pentatri series: pentatri · superpent · pentadecal(plex)
Hexatri series: hexatri · superhex · hexadecal(plex)
Heptatri series: heptatri · supersept · heptadecal
Iteral series: superoct · octadecal · superenn · ennadecal · iteral · ultatri
Dupertri series: dupertri · duperdecal · truperdecal · quadruperdecal
Latri series: latri · emperal(plex) · hyperal(plex) · diteral(plex) · admiral
Dutritri series: dutritri · dutridecal
Dimentri series: dimentri · dulatri · trilatri · trimentri
Triakulus series: triakulus · tridecatrix
Big boowa series: big boowa · great big boowa · grand boowa
Tiaokhiao's extensions: trihex · trioct · triennet · triundecal · tridodecal · tritriplex · tritriplexian · grand tritri · tetrapent · tetrahex · grand tetratri · octatri · enneatri · decatri · undecatri · dodecatri
RedBandServerYT's extensions: tridecalplex