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A131147 as a simple table

na(n)
00
11
22
33
46
54
65
77
88
914
1016
1119
1211
139
1415
1510
1612
1717
1818
1913
2020
2121
2222
2342
2439
2537
2653
2744
2851
2947
3056
3130
3233
3360
3428
3525
3623
3738
3843
3952
4029
4124
4240
4326
4431
4545
4646
4732
4848
4949
5050
5141
5227
5334
5454
5555
5635
5757
5858
5959
6036
6161
6262
6363
6464
65123
66154
67126
68112
69114

[0,1,2,3,6,4,5,7,8,14,16,19,11,9,15,10,12,17,18,
 13,20,21,22,42,39,37,53,44,51,47,56,30,33,60,28,
 25,23,38,43,52,29,24,40,26,31,45,46,32,48,49,50,
 41,27,34,54,55,35,57,58,59,36,61,62,63,64,123,154,
 126,112,114]