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A291401 as a simple table

na(n)
01
12
23
36
414
532
667
7134
8266
9538
101110
112304
124760
139770
1419991
1540931
1683976
17172519
18354452
19727830
201493768
213065341
226291208
2312914136
2426511196
2554423052
26111715200
27229312168
28470697488
29966192481
301983312305
314071174986
328356928055
3317154242334

[1,2,3,6,14,32,67,134,266,538,1110,2304,4760,9770,
 19991,40931,83976,172519,354452,727830,1493768,
 3065341,6291208,12914136,26511196,54423052,
 111715200,229312168,470697488,966192481,
 1983312305,4071174986,8356928055,17154242334]