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A276505 as a simple table

na(n)
10
20
31
41
53
61
75
82
95
103
117
122
139
143
156
166
1711
181
1911
204
219
227
2311
244
2513
265
279
286
2915
303
3117
326
3310
347
3512
366
3719
387
399
407
4119
424
4317
448
4511
4611
4717
483
4921
505
5114
5210
5317
545
5519
5611
5717
589
5917
604
6121
629
6310
6412
6521
667
6723
688
6916
707
7125
727
7325
747
757
7614

[0,0,1,1,3,1,5,2,5,3,7,2,9,3,6,6,11,1,11,4,9,7,11,
 4,13,5,9,6,15,3,17,6,10,7,12,6,19,7,9,7,19,4,17,8,
 11,11,17,3,21,5,14,10,17,5,19,11,17,9,17,4,21,9,
 10,12,21,7,23,8,16,7,25,7,25,7,7,14]