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A055821 as a simple table

na(n)
41
523
660
7122
8217
9354
10543
11795
121122
131537
142054
152688
163455
174372
185457
196729
208208
219915
2211872
2314102
2416629
2519478
2622675
2726247
2830222
2934629
3039498
3144860
3250747
3357192
3464229
3571893
3680220
3789247
3899012
39109554
40120913
41133130
42146247
43160307
44175354

[1,23,60,122,217,354,543,795,1122,1537,2054,2688,
 3455,4372,5457,6729,8208,9915,11872,14102,16629,
 19478,22675,26247,30222,34629,39498,44860,50747,
 57192,64229,71893,80220,89247,99012,109554,120913,
 133130,146247,160307,175354]