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A305715 as a simple table

na(n)
11
21
32
41
52
63
73
82
91
101
112
123
136
145
154
163
172
181
196
205
214
223
238
241
256
265
274
287
292
303
318
321
336
345
354
367
372
389
393
408
411
426
435
444
457
462
479
4810

[1,1,2,1,2,3,3,2,1,1,2,3,6,5,4,3,2,1,6,5,4,3,8,1,
 6,5,4,7,2,3,8,1,6,5,4,7,2,9,3,8,1,6,5,4,7,2,9,10]