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A249744 as a simple table

na(n)
10
20
30
42
50
64
70
86
93
108
110
1210
130
1412
159
1614
170
1816
190
2018
2115
2220
230
2422
255
2624
2721
2826
290
3028
310
3230
3327
3432
3525
3634
370
3836
3933
4038
410
4240
430
4442
4539
4644
470
4846
497
5048
5145
5250
530
5452
5535
5654
5751
5856
590
6058
610
6260
6357
6462
6555
6664
670
6866
6963
7068
710
7270
730
7472
7569
7674
7749
7876
790
8078
8175
8280
830
8482
8565
8684
8781
8886
890
9088
9177
9290
9387
9492
9585
9694
970
9896
9993
10098
1010
102100

[0,0,0,2,0,4,0,6,3,8,0,10,0,12,9,14,0,16,0,18,15,
 20,0,22,5,24,21,26,0,28,0,30,27,32,25,34,0,36,33,
 38,0,40,0,42,39,44,0,46,7,48,45,50,0,52,35,54,51,
 56,0,58,0,60,57,62,55,64,0,66,63,68,0,70,0,72,69,
 74,49,76,0,78,75,80,0,82,65,84,81,86,0,88,77,90,
 87,92,85,94,0,96,93,98,0,100]