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A052945 as a simple table

na(n)
01
12
25
314
438
5104
6284
7776
82120
95792
1015824
1143232
12118112
13322688
14881600
152408576
166580352
1717977856
1849116416
19134188544
20366609920
211001596928
222736413696
237476021248
2420424869888
2555801782272
26152453304320

[1,2,5,14,38,104,284,776,2120,5792,15824,43232,
 118112,322688,881600,2408576,6580352,17977856,
 49116416,134188544,366609920,1001596928,
 2736413696,7476021248,20424869888,55801782272,
 152453304320]