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A048681 as a simple table

na(n)
11
22
33
46
510
615
735
870
942
10210
11462
12462
13858
143003
155005
164290
1724310
1824310
1992378
20125970
21293930
22646646
231352078
241352078
25817190
265311735
272897310
2813123110
2934597290
3017298645
31100180065
32200360130
33129644790
342203961430

[1,2,3,6,10,15,35,70,42,210,462,462,858,3003,5005,
 4290,24310,24310,92378,125970,293930,646646,
 1352078,1352078,817190,5311735,2897310,13123110,
 34597290,17298645,100180065,200360130,129644790,
 2203961430]