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A275428 as a simple table

na(n)
01
11
22
34
410
527
682
7274
8988
93880
1016175
1172205
12340660
131697060
148906990
1548911059
16281486144
171687198848
1810535484376
1968349098640
20459596780618
213202506672898
2223052054364956
23171418420964352
241314125642973640
2510375794542251692
2684315714183790792

[1,1,2,4,10,27,82,274,988,3880,16175,72205,340660,
 1697060,8906990,48911059,281486144,1687198848,
 10535484376,68349098640,459596780618,
 3202506672898,23052054364956,171418420964352,
 1314125642973640,10375794542251692,
 84315714183790792]