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A054341 as a simple table

na(n)
01
12
25
312
430
574
6185
7460
81150
92868
107170
1117904
1244760
13111834
14279585
15698748
161746870
174366460
1810916150
1927287944
2068219860
21170541252
22426353130
231065853432
242664633580
256661479944
2616653699860
2741633878200
28104084695500
29260210401530
30650526003825

[1,2,5,12,30,74,185,460,1150,2868,7170,17904,
 44760,111834,279585,698748,1746870,4366460,
 10916150,27287944,68219860,170541252,426353130,
 1065853432,2664633580,6661479944,16653699860,
 41633878200,104084695500,260210401530,
 650526003825]