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A205486 as a simple table

na(n)
01
11
22
35
416
560
6259
71273
87048
943241
10289685
112097912
1216317134
13135574160
141196898329
1511168544771
16109647222799
171128440311914
1812139734936953
19136195813530558
201590028534430967
2119277087785530470
22242235954813757132
233149491477171141810

[1,1,2,5,16,60,259,1273,7048,43241,289685,2097912,
 16317134,135574160,1196898329,11168544771,
 109647222799,1128440311914,12139734936953,
 136195813530558,1590028534430967,
 19277087785530470,242235954813757132,
 3149491477171141810]