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A025050 as a simple table

na(n)
13
25
37
48
59
611
711
812
913
1014
1115
1215
1316
1417
1517
1619
1719
1820
1920
2021
2121
2223
2323
2423
2524
2624
2725
2826
2926
3027
3127
3227
3328
3429
3529
3629
3731
3831
3931
4032
4132
4232
4333
4433
4534
4635
4735
4835
4935
5036
5136
5237
5338
5438
5539
5639
5739
5839
5940
6040
6141
6241
6341
6441
6543
6643
6744
6844
6944
7044
7145
7245
7345
7446
7547
7647

[3,5,7,8,9,11,11,12,13,14,15,15,16,17,17,19,19,20,
 20,21,21,23,23,23,24,24,25,26,26,27,27,27,28,29,
 29,29,31,31,31,32,32,32,33,33,34,35,35,35,35,36,
 36,37,38,38,39,39,39,39,40,40,41,41,41,41,43,43,
 44,44,44,44,45,45,45,46,47,47]