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A055920 as a simple table

na(n)
01
116
290
3328
4886
52016
63986
77208
812050
919096
1028802
1141936
1259030
1381048
14108586
15142816
16184386
17234688
18294410
19365176
20447702
21543856
22654370
23781368
24925586
251089416
261273586
271480768
281711670
291969256
302254202
312569776
322916610
333298288
343715386

[1,16,90,328,886,2016,3986,7208,12050,19096,28802,
 41936,59030,81048,108586,142816,184386,234688,
 294410,365176,447702,543856,654370,781368,925586,
 1089416,1273586,1480768,1711670,1969256,2254202,
 2569776,2916610,3298288,3715386]