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A264841 as a simple table

na(n)
11
22
312
44
574
61442
78
8456
928028
101716098
1116
122810
13544844
14105093828
1520276816980
1632
1717316
1810591310
196435880414
203912156203494
212378025136264102
2264
23106706
24205886234
25394129505248
26754801786191820
271445496758320387318
282768227968406304217000
29128
30657552
314002256640
3224136256828880

[1,2,12,4,74,1442,8,456,28028,1716098,16,2810,
 544844,105093828,20276816980,32,17316,10591310,
 6435880414,3912156203494,2378025136264102,64,
 106706,205886234,394129505248,754801786191820,
 1445496758320387318,2768227968406304217000,128,
 657552,4002256640,24136256828880]