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A229068 as a simple table

na(n)
01
11
22
34
410
526
676
7232
8764
92620
109496
1135696
12140152
13568503
142390466
1510349340
1646204720
17211779200
18997134592
194808141824
2023745792032
21119848119307
22618058083314
233251373425356
2417442275104496
2595297400355320
26530067682582320
272998503402985440

[1,1,2,4,10,26,76,232,764,2620,9496,35696,140152,
 568503,2390466,10349340,46204720,211779200,
 997134592,4808141824,23745792032,119848119307,
 618058083314,3251373425356,17442275104496,
 95297400355320,530067682582320,2998503402985440]