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A246776 as a simple table

na(n)
11
20
31
40
54
62
76
84
93
109
115
128
1311
149
157
168
1713
189
1912
2014
2110
2213
2311
2410
2515
2617
2715
2817
2915
305
3117
3215
3320
3411
3520
3616
3716
3819
3917
4017
4122
4213
4322
4420
4522
4612
4713
4822
4924
5022
5120
5224
5316
5421
5521
5621
5725
5821
5923
6025
6117
6214
6325
6427
6524
6614
6723
6820
6928
7026

[1,0,1,0,4,2,6,4,3,9,5,8,11,9,7,8,13,9,12,14,10,
 13,11,10,15,17,15,17,15,5,17,15,20,11,20,16,16,19,
 17,17,22,13,22,20,22,12,13,22,24,22,20,24,16,21,
 21,21,25,21,23,25,17,14,25,27,24,14,23,20,28,26]