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A186231 as a simple table

na(n)
01
115
2210
33003
443758
5646646
69657700
7145422675
82203961430
933578000610
10513791607420
117890371113950
12121548660036300
131877405874732108
1429065024282889672
15450883717216034179
167007092303604022630
17109069992321755544170
181700179760011004467468
1926536589497469056215210
20414670662257153823494820

[1,15,210,3003,43758,646646,9657700,145422675,
 2203961430,33578000610,513791607420,7890371113950,
 121548660036300,1877405874732108,
 29065024282889672,450883717216034179,
 7007092303604022630,109069992321755544170,
 1700179760011004467468,26536589497469056215210,
 414670662257153823494820]