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A124701 as a simple table

na(n)
01
18
222
350
4130
5338
6904
72444
86682
918410
1051052
11142304
12398380
131119308
143154558
158914010
1625246282
1771644298
18203665054
19579841286
201653025900
214718011460
2213479908926
2338548802570
24110327691316
25315985475588

[1,8,22,50,130,338,904,2444,6682,18410,51052,
 142304,398380,1119308,3154558,8914010,25246282,
 71644298,203665054,579841286,1653025900,
 4718011460,13479908926,38548802570,110327691316,
 315985475588]