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A131413 as a simple table

na(n)
01
14
23
37
46
55
610
79
88
97
1013
1112
1211
1310
149
1516
1615
1714
1813
1912
2011
2119
2218
2317
2416
2515
2614
2713
2822
2921
3020
3119
3218
3317
3416
3515
3625
3724
3823
3922
4021
4120
4219
4318
4417
4528
4627
4726
4825
4924
5023
5122
5221
5320
5419
5531
5630
5729
5828
5927
6026
6125
6224
6323
6422
6521
6634
6733
6832
6931
7030
7129
7228
7327
7426
7525
7624
7723

[1,4,3,7,6,5,10,9,8,7,13,12,11,10,9,16,15,14,13,
 12,11,19,18,17,16,15,14,13,22,21,20,19,18,17,16,
 15,25,24,23,22,21,20,19,18,17,28,27,26,25,24,23,
 22,21,20,19,31,30,29,28,27,26,25,24,23,22,21,34,
 33,32,31,30,29,28,27,26,25,24,23]