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A131143 as a simple table

na(n)
00
11
22
33
45
56
64
77
88
913
1015
1112
1216
1319
149
1514
1610
1717
1818
1911
2020
2121
2222
2336
2441
2535
2643
2752
2831
2940
3032
3144
3247
3334
3453
3556
3660
3725
3837
3924
4042
4151
4223
4338
4426
4545
4646
4727
4848
4949
5050
5128
5239
5329
5454
5555
5630
5757
5858
5959
6033
6161
6262
6363
6464
65106
66120
67105
68125
69153

[0,1,2,3,5,6,4,7,8,13,15,12,16,19,9,14,10,17,18,
 11,20,21,22,36,41,35,43,52,31,40,32,44,47,34,53,
 56,60,25,37,24,42,51,23,38,26,45,46,27,48,49,50,
 28,39,29,54,55,30,57,58,59,33,61,62,63,64,106,120,
 105,125,153]