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A203801 as a simple table

na(n)
01
11
22
37
49
527
653
7109
8206
9463
10907
111756
123591
136849
1413706
1527132
1651477
1799168
18195160
19366269
20707173
211355524
222558372
234836092
249186600
2517245564
2632428375
2761057276
28113946770
29212495896
30397836811
31737325660
321368659832
332544085015
344694930535

[1,1,2,7,9,27,53,109,206,463,907,1756,3591,6849,
 13706,27132,51477,99168,195160,366269,707173,
 1355524,2558372,4836092,9186600,17245564,32428375,
 61057276,113946770,212495896,397836811,737325660,
 1368659832,2544085015,4694930535]