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A055789 as a simple table

na(n)
01
11
22
33
46
510
615
735
856
984
10120
11165
12220
13715
141001
151365
161820
172380
183060
193876
204845
2120349
2226334
2333649
2442504
2553130
2665780
2780730
2898280
29118755
30142506
31736281
32906192
331107568
341344904
351623160
361947792
372324784
382760681

[1,1,2,3,6,10,15,35,56,84,120,165,220,715,1001,
 1365,1820,2380,3060,3876,4845,20349,26334,33649,
 42504,53130,65780,80730,98280,118755,142506,
 736281,906192,1107568,1344904,1623160,1947792,
 2324784,2760681]