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A178703 as a simple table

na(n)
00
10
21
35
417
552
6156
7468
81405
94217
1012653
1137960
12113880
13341640
141024921
153074765
169224297
1727672892
1883018676
19249056028
20747168085
212241504257
226724512773
2320173538320
2460520614960
25181561844880

[0,0,1,5,17,52,156,468,1405,4217,12653,37960,
 113880,341640,1024921,3074765,9224297,27672892,
 83018676,249056028,747168085,2241504257,
 6724512773,20173538320,60520614960,181561844880]