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A186786 as a simple table

na(n)
10
2580
3580
42366
511354
62366
722236
863504
963504
1022236
11118616
12739334
13696596
14739334
15118616
16891506
178499038
1817120960
1917120960
208499038
21891506
225489048
2397501656
24281080458
25658080772
26281080458
2797501656
285489048
2938326452

[0,580,580,2366,11354,2366,22236,63504,63504,
 22236,118616,739334,696596,739334,118616,891506,
 8499038,17120960,17120960,8499038,891506,5489048,
 97501656,281080458,658080772,281080458,97501656,
 5489048,38326452]