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A131144 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
2644
2747
2851
2953
3056
3128
3230
3360
3433
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
66126
67135
68112
69114

[0,1,2,3,6,4,5,7,8,14,16,19,11,9,15,10,12,17,18,
 13,20,21,22,42,39,37,44,47,51,53,56,28,30,60,33,
 25,23,38,43,52,29,24,40,26,31,45,46,32,48,49,50,
 41,27,34,54,55,35,57,58,59,36,61,62,63,64,123,126,
 135,112,114]