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A187243 as a simple table

na(n)
01
11
21
31
41
52
62
72
82
92
104
114
124
134
144
156
166
176
186
196
209
219
229
239
249
2512
2612
2712
2812
2912
3016
3116
3216
3316
3416
3520
3620
3720
3820
3920
4025
4125
4225
4325
4425
4530
4630
4730
4830
4930
5036
5136
5236
5336
5436
5542
5642
5742
5842
5942
6049
6149
6249
6349
6449
6556
6656
6756
6856
6956
7064
7164
7264
7364
7464
7572
7672
7772
7872
7972

[1,1,1,1,1,2,2,2,2,2,4,4,4,4,4,6,6,6,6,6,9,9,9,9,
 9,12,12,12,12,12,16,16,16,16,16,20,20,20,20,20,25,
 25,25,25,25,30,30,30,30,30,36,36,36,36,36,42,42,
 42,42,42,49,49,49,49,49,56,56,56,56,56,64,64,64,
 64,64,72,72,72,72,72]