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A306804 as a simple table

na(n)
11
23
31
44
56
63
71
87
98
104
119
126
133
141
1511
1612
1713
1814
197
2015
2116
228
234
2417
2518
269
276
283
291
3019
3121
3222
3311
3423
3524
3612
3726
3813
3927
4028
4114
427
4329
4430
4515
4631
4732
4816
498
504
5133
5234
5317
5435
5536
5618
579
586
593
601
6137
6238
6319
6439
6540
6641
6742
6821
6943
7044
7122
7211
7345
7446
7523
7647
7748
7824
7912
8049
8151
8252
8326
8413
8553
8654
8727
8855
8956
9028
9114
927

[1,3,1,4,6,3,1,7,8,4,9,6,3,1,11,12,13,14,7,15,16,
 8,4,17,18,9,6,3,1,19,21,22,11,23,24,12,26,13,27,
 28,14,7,29,30,15,31,32,16,8,4,33,34,17,35,36,18,9,
 6,3,1,37,38,19,39,40,41,42,21,43,44,22,11,45,46,
 23,47,48,24,12,49,51,52,26,13,53,54,27,55,56,28,
 14,7]