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A374991 as a simple table

na(n)
00
11
22
33
44
57
66
711
85
910
108
1113
1216
1315
1412
1519
169
1718
1836
1932
2022
2126
2223
2314
2428
2531
2624
2729
2846
2958
3047
3120
3237
3341
3474
3572
3639
3725
3838
3950
4076
4151
42102
43103
4457
4548
4654
4727
4844
4952
5075
5182
5264
5342
5421
5543
5653
5786
5840
5945
6080
6189
6277
63144
6479
6560
6630

[0,1,2,3,4,7,6,11,5,10,8,13,16,15,12,19,9,18,36,
 32,22,26,23,14,28,31,24,29,46,58,47,20,37,41,74,
 72,39,25,38,50,76,51,102,103,57,48,54,27,44,52,75,
 82,64,42,21,43,53,86,40,45,80,89,77,144,79,60,30]