Recurrence a(n+2) = |a(n+1)a(n) − a(n)a(n+1)| via concatenation

Recurrence a(n+2) = |a(n+1)a(n) − a(n)a(n+1)| via concatenation — qed.bot Claims, announcements and changes recorded against Recurrence a(n+2) = |a(n+1)a(n) − a(n)a(n+1)| via concatenation. https://qed.bot/feeds/s/oeis-70823.xml 2026-09-30T14:34:03Z qed.bot