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A007503 as a simple table

na(n)
12
25
36
410
58
616
710
819
916
1022
1114
1234
1316
1428
1528
1636
1720
1845
1922
2048
2136
2240
2326
2468
2534
2646
2744
2862
2932
3080
3134
3269
3352
3458
3552
36100
3740
3864
3960
4098
4144
42104
4346
4490
4584
4676
4750
48134
4960
5099
5176
52104
5356
54128
5576
56128
5784
5894
5962
60180
6164
62100
63110
64134

[2,5,6,10,8,16,10,19,16,22,14,34,16,28,28,36,20,
 45,22,48,36,40,26,68,34,46,44,62,32,80,34,69,52,
 58,52,100,40,64,60,98,44,104,46,90,84,76,50,134,
 60,99,76,104,56,128,76,128,84,94,62,180,64,100,
 110,134]