811281644112domain: NAppears in sequencesa(0)=1; thereafter a(n) = largest number that can be obtained by applying "Choix de Bruxelles (version 2)" (see A323460) to a(n-1).at n=17A307635Largest number that can be obtained by starting with 1 and applying "Choix de Bruxelles (version 2)" (see A323460) n times.at n=17A323453