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A308182 as a simple table

na(n)
11
21
32
44
53
63
72
84
90
100
116
128
1310
1412
1514
1616
176
188
1910
2012
216
228
2310
2412
250
260
276
288
2910
3012
3114
3216
330
340
350
360
370
380
390
400
4118
4220
4322
4424
4526
4628
4730
4832
4934
5036
5138
5240
5342
5444
5546
5648
5750
5852
5954
6056
6158
6260
6362
6464
6518
6620
6722
6824
6926
7028
7130
7232

[1,1,2,4,3,3,2,4,0,0,6,8,10,12,14,16,6,8,10,12,6,
 8,10,12,0,0,6,8,10,12,14,16,0,0,0,0,0,0,0,0,18,20,
 22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,
 54,56,58,60,62,64,18,20,22,24,26,28,30,32]