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A195071 as a simple table

na(n)
11
23
32
46
55
64
79
810
98
107
1113
1215
1314
1412
1511
1618
1721
1820
1919
2017
2116
2224
2327
2428
2526
2625
2723
2822
2931
3034
3136
3235
3333
3432
3530
3629
3739
3842
3945
4044
4143
4241
4340
4438
4537
4648
4751
4855
4954
5053
5152
5250
5349
5447
5546
5658
5761
5865
5966
6064
6163
6262
6360
6459
6557
6656
6769
6872
6976

[1,3,2,6,5,4,9,10,8,7,13,15,14,12,11,18,21,20,19,
 17,16,24,27,28,26,25,23,22,31,34,36,35,33,32,30,
 29,39,42,45,44,43,41,40,38,37,48,51,55,54,53,52,
 50,49,47,46,58,61,65,66,64,63,62,60,59,57,56,69,
 72,76]