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A279409 as a simple table

na(n)
11
21
31
41
51
61
72
82
92
104
112
122
132
144
155
163
173
183
196
206
219
223
233
243
256
267
279
2810
294
304
314
328
338
3412
3512
3616
374
384
394
408
419
4212
4313
4416
4518
465
475
485
4910
5010
5115
5215
5320
5420
5525
565
575
585
5910
6011
6115
6216
6320
6422
6525
6627
676
686
696
7012
7112
7218
7318
7424
7524
7630
7730
7836

[1,1,1,1,1,1,2,2,2,4,2,2,2,4,5,3,3,3,6,6,9,3,3,3,
 6,7,9,10,4,4,4,8,8,12,12,16,4,4,4,8,9,12,13,16,18,
 5,5,5,10,10,15,15,20,20,25,5,5,5,10,11,15,16,20,
 22,25,27,6,6,6,12,12,18,18,24,24,30,30,36]