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A259581 as a simple table

na(n)
13
23
33
43
53
63
73
84
94
103
113
124
136
144
153
163
175
186
196
205
213
223
235
247
256
267
275
283
293
306
319
329
339
349
356
363
373
386
399
4010
4110
4210
439
446
453
463
477
4810
4912
5013
5113
5212
5310
547
553
563
577
5812
5912
6015
6115
6215
6312
6412
657
663
673
688
6912
7015
7117
7218
7318
7417
7515
7612
778
783

[3,3,3,3,3,3,3,4,4,3,3,4,6,4,3,3,5,6,6,5,3,3,5,7,
 6,7,5,3,3,6,9,9,9,9,6,3,3,6,9,10,10,10,9,6,3,3,7,
 10,12,13,13,12,10,7,3,3,7,12,12,15,15,15,12,12,7,
 3,3,8,12,15,17,18,18,17,15,12,8,3]