Per A001003: Can someone illustrate the parenthesis interpretation of A001003(4) = 11? ----- Original Message ----- From: wouter meeussen To: Seqfan (E-mail) Sent: Sunday, April 27, 2003 7:12 AM Subject: Fw: improvisation on Royal Paths [stuff deleted] cherry on the cake: A001003 = row sums of A033877. Wouter.