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A055788 as a simple table

na(n)
01
131
2186
31581
47316
530039
6103974
7330429
8947050
92533289
106325550
1114969435
1233665380
1372544185
14150236850
15300540195
16582235491
171096087770
182009383420
193595937070
206292703640
2110787811210
2218142828740
2329975617710

[1,31,186,1581,7316,30039,103974,330429,947050,
 2533289,6325550,14969435,33665380,72544185,
 150236850,300540195,582235491,1096087770,
 2009383420,3595937070,6292703640,10787811210,
 18142828740,29975617710]