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A294002 as a simple table

na(n)
01
11
23
315
4105
5945
610395
7135135
82027025
934459425
10654729075
114583103525
1234788783519
13286302699633
142541730502259
1524202811629589
16245427373661087
172620070906538825
1828854865779691475
19317259847008270825
203336850194636528659
2132503486859882091945

[1,1,3,15,105,945,10395,135135,2027025,34459425,
 654729075,4583103525,34788783519,286302699633,
 2541730502259,24202811629589,245427373661087,
 2620070906538825,28854865779691475,
 317259847008270825,3336850194636528659,
 32503486859882091945]