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A308948 as a simple table

na(n)
10
21
31
41
53
61
76
85
91
103
1110
121
138
1413
154
169
1716
181
1918
209
2113
2221
231
2413
2518
265
271
2813
2912
3019
3130
3217
3310
3433
356
361
3731
3837
3925
4029
4132
4213
431
4421
4519
461
4746
4825
4948
5043
5116
5225
531
541
5521
5641
5737
5817
5958
6049
611
6261
6355
6433
6518
6643
6766
6833
691
7041
7170
7237

[0,1,1,1,3,1,6,5,1,3,10,1,8,13,4,9,16,1,18,9,13,
 21,1,13,18,5,1,13,12,19,30,17,10,33,6,1,31,37,25,
 29,32,13,1,21,19,1,46,25,48,43,16,25,1,1,21,41,37,
 17,58,49,1,61,55,33,18,43,66,33,1,41,70,37]