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A014930 as a simple table

na(n)
11
231
3706
414206
5267331
64823581
784557956
81451432956
924517448581
10408951042331
116752105339206
12110549175651706
131797251568229831
1429043982525261081
15466937872906120456
167473240118999870456

[1,31,706,14206,267331,4823581,84557956,
 1451432956,24517448581,408951042331,6752105339206,
 110549175651706,1797251568229831,
 29043982525261081,466937872906120456,
 7473240118999870456]