improvisation on Royal Paths

[Henry in Rotherhithe]

The examples line has: 
a(3) = 3: abc, a(bc), (ab)c; 
a(4) = 11: abcd, (ab)cd, a(bc)d, ab(cd), (ab)(cd), a(bcd), 
a(b(cd)), a((bc)d), (abc)d, (a(bc))d, ((ab)c)d. 


> -----Original Message-----
> From: David Wilson 
> Sent: 27 April 2003 16:58
> To: Sequence Fanatics
> Subject: Re: improvisation on Royal Paths
> 
> 
> 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.
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