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A131336 as a simple table

na(n)
11
21
31
42
51
61
73
83
92
101
115
124
134
142
151
168
178
187
195
203
211
2213
2312
2412
259
267
273
281
2921
3021
3120
3217
3314
348
354
361
3734
3833
3933
4029
4126
4217
4311
444
451
4655
4755
4854
4950
5046
5134
5225
5312
545
551

[1,1,1,2,1,1,3,3,2,1,5,4,4,2,1,8,8,7,5,3,1,13,12,
 12,9,7,3,1,21,21,20,17,14,8,4,1,34,33,33,29,26,17,
 11,4,1,55,55,54,50,46,34,25,12,5,1]