Illustration of initial terms:
. _ _ _ _
. _ _ _ |_ _ _ |_
. _ _ _ |_ _ _| | |_
. _ _ |_ _ |_ |_ _ |_ _ |
. _ _ |_ _|_ |_ | | | | |
. _ |_ | | | | | | | | |
. |_| |_| |_| |_| |_| |_|
.
n: 1 2 3 4 5 6
a(n): 4 8 12 16 18 24
.
. _ _ _ _ _
. _ _ _ _ _ |_ _ _ _ _|
. _ _ _ _ |_ _ _ _ | |_ _
. |_ _ _ _| | |_ |_ |
. |_ |_ |_ _ |_|_ _
. |_ _ |_ _ | | |
. | | | | | |
. | | | | | |
. | | | | | |
. |_| |_| |_|
.
n: 7 8 9
a(n): 24 32 34
.
Another way for the illustration of initial terms is as follows:
--------------------------------------------------------------------------
. n a(n) Diagram
--------------------------------------------------------------------------
_
1 4 |_| _
_| | _
2 8 |_ _| | | _
_ _|_| | | _
3 12 |_ _| _| | | | _
_ _| _| | | | | _
4 16 |_ _ _| _|_| | | | | _
_ _ _| _ _| | | | | | _
5 18 |_ _ _| | _| | | | | | | _
_ _ _| _| _|_| | | | | | | _
6 24 |_ _ _ _| _| _ _| | | | | | | | _
_ _ _ _| _| _ _| | | | | | | | | _
7 24 |_ _ _ _| | _| _ _|_| | | | | | | | | _
_ _ _ _| | _| | _ _| | | | | | | | | | _
8 32 |_ _ _ _ _| |_ _| | _ _| | | | | | | | | | | _
_ _ _ _ _| _ _|_| _ _|_| | | | | | | | | | |
9 34 |_ _ _ _ _| | _| _| _ _ _| | | | | | | | | |
_ _ _ _ _| | _| _| _ _| | | | | | | | |
10 40 |_ _ _ _ _ _| | _| | _ _|_| | | | | | |
_ _ _ _ _ _| | _| | _ _ _| | | | | |
11 36 |_ _ _ _ _ _| | _ _| _| | _ _ _| | | | |
_ _ _ _ _ _| | _ _| _|_| _ _ _|_| | |
12 48 |_ _ _ _ _ _ _| | _ _| _ _| | _ _ _| |
_ _ _ _ _ _ _| | _| | _| | _ _ _|
13 42 |_ _ _ _ _ _ _| | | _| _| _| |
_ _ _ _ _ _ _| | |_ _| _| _|
14 54 |_ _ _ _ _ _ _ _| | _ _| _|
_ _ _ _ _ _ _ _| | _ _|
15 56 |_ _ _ _ _ _ _ _| | |
_ _ _ _ _ _ _ _| |
16 64 |_ _ _ _ _ _ _ _ _|
...
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