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A246819 as a simple table

na(n)
20
30
40
54
62
74
82
913
107
1113
127
134
142
150
1617
1711
189
196
202
2124
2221
2317
2411
2512
268
276
282
2918
3029
3115
3211
335
343
3516
3614
378
3818
3914
408
4122
4220
4310
4430
4529
4627
4715
483
496
508
514
520
5330
5420
5514
5660
5754
5852
5946
6042
6140
6230
6316
6412
6510
6641
6727
6821
6911
7020
7116
7210
736

[0,0,0,4,2,4,2,13,7,13,7,4,2,0,17,11,9,6,2,24,21,
 17,11,12,8,6,2,18,29,15,11,5,3,16,14,8,18,14,8,22,
 20,10,30,29,27,15,3,6,8,4,0,30,20,14,60,54,52,46,
 42,40,30,16,12,10,41,27,21,11,20,16,10,6]