( Hailstone function in Rejoice )<br><br>n^7 @Hailstone<br>    .#[url=https://social.nouveau.community/tags/n]n[/url] .\n<br><br>    done [n^2]/[n^2 done] [Halt]/done<br><br>    @Parity <br>            [a^2 Parity]/n^2<br>            even [odd n]/[even n]<br>            @Parity.A->N [n Parity.A->N]/a<br><br>    [Even]/even [Odd]/odd<br><br>    @Even ( n = n/2 )<br>        [a Even]/n^2<br>        @Even.A->N [n Even.A->N]/a<br>        Hailstone<br><br>    @Odd ( n = 3n + 1 )<br>        [a^3 Odd]/n a<br>        @Odd.A->N [n Odd.A->N]/a<br>        Hailstone<br><br>@Halt<br>

(cc @neauoire)