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A205385 as a simple table

na(n)
11
21
32
45
56
615
73
85
92
1020
1121
1215
1310
1415
1520
165
174
1831
1921
2025
2115
2221
2339
2415
256
2635
2712
2815
299
3020
3155
325
3321
344
3516
3631
3729
3821
3928
4025
418
4215
43105
4434
4531
4639
4771
4815
4916
5025

[1,1,2,5,6,15,3,5,2,20,21,15,10,15,20,5,4,31,21,
 25,15,21,39,15,6,35,12,15,9,20,55,5,21,4,16,31,29,
 21,28,25,8,15,105,34,31,39,71,15,16,25]