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A198304 as a simple table

na(n)
01
11
22
34
49
521
654
7148
8442
91433
105061
1119394
1280308
13357241
141697870
158577240
1645845235
17258198133
181526631800
199445795717
2060988643813
21409933740177
222862338202947
2320723903238290
24155329193200741
251203428108558453
269624564394649845
2779357873429159078

[1,1,2,4,9,21,54,148,442,1433,5061,19394,80308,
 357241,1697870,8577240,45845235,258198133,
 1526631800,9445795717,60988643813,409933740177,
 2862338202947,20723903238290,155329193200741,
 1203428108558453,9624564394649845,
 79357873429159078]