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A276646 as a simple table

na(n)
10
20
30
41
51
62
72
83
94
104
114
124
134
145
155
165
175
185
195
206
216
226
236
247
257
267
277
288
298
308
319
329
339
3410
3510
3610
3711
3811
3911
4012
4112
4213
4313
4413
4514
4614
4715
4815
4916
5016
5117
5217
5318
5418
5519
5620
5720
5821
5921
6022
6122
6223
6324
6424
6525
6626
6726
6827
6928
7028
7129
7230
7331

[0,0,0,1,1,2,2,3,4,4,4,4,4,5,5,5,5,5,5,6,6,6,6,7,
 7,7,7,8,8,8,9,9,9,10,10,10,11,11,11,12,12,13,13,
 13,14,14,15,15,16,16,17,17,18,18,19,20,20,21,21,
 22,22,23,24,24,25,26,26,27,28,28,29,30,31]