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A103321 as a simple table

na(n)
01
12
24
39
418
535
668
7130
8246
9463
10867
111617
123007
135579
1410332
1519107
1635295
1765140
18120137
19221444
20407999
21751453
221383641
232547116
244688106
258627504
2615875390
2729209560
2853739655
2998864470
30181872110
31334561861
32615423932

[1,2,4,9,18,35,68,130,246,463,867,1617,3007,5579,
 10332,19107,35295,65140,120137,221444,407999,
 751453,1383641,2547116,4688106,8627504,15875390,
 29209560,53739655,98864470,181872110,334561861,
 615423932]