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A231806 as a simple table

na(n)
15
213
313
432
561
632
779
8252
9252
1079
11200
121120
131699
141120
15200
16500
175294
1812044
1912044
205294
21500
221249
2323965
2492380
25157633
2692380
2723965
281249
293133
30107961
31678081
322192216
332192216
34678081
35107961
363133
377845
38492274
394939746
4028305214

[5,13,13,32,61,32,79,252,252,79,200,1120,1699,
 1120,200,500,5294,12044,12044,5294,500,1249,23965,
 92380,157633,92380,23965,1249,3133,107961,678081,
 2192216,2192216,678081,107961,3133,7845,492274,
 4939746,28305214]