It has been mentioned about a forward row on the Trident Three, the other day I saw a interior pic of a Trident two with a forward row facing back across a table.
Viscounts and Heralds certainly had forward rows facing across a table......but they did change seating plans around quite a bit.
I came across while looking for something else a seating plan for a BEA Vanguard 951
I can't scan it so I will describe it

F=forward, R=rearward T=table
rows..
1R (no window)
T
2F
3F
4F
5F
6R
7R
8R
9R
10R
11F
12F
13F
14F
15F (right between windows no proper view)
16F
17F
18F
19F (small window)
21R
T
22F
23F
24F
25F (small window)
So a group forward and back facing across a table and the first five rows in the centre cabin facing back.
There was no table there as that was right next to the rear emergency escape window.
Garry