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A291503 as a simple table

na(n)
11
21
30
40
53
60
75
83
95
103
110
123
136
145
157
167
170
185
1910
207
216
220
230
247
2519
266
2710
286
2912
307
3129
320
3319
340
3514
366
3722
3810
3914
400
4127
426
4320
4419
4514
460
470
480
4920
5019
5121
5214
530
5410
5527
5614
5722
5812
590
600
6124
6229
6322
6421
6533
6619
670
6821
6943
7014
710
7214
7330
7422
7527
7622
7724
7814
7945

[1,1,0,0,3,0,5,3,5,3,0,3,6,5,7,7,0,5,10,7,6,0,0,7,
 19,6,10,6,12,7,29,0,19,0,14,6,22,10,14,0,27,6,20,
 19,14,0,0,0,20,19,21,14,0,10,27,14,22,12,0,0,24,
 29,22,21,33,19,0,21,43,14,0,14,30,22,27,22,24,14,
 45]