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A345872 as a simple table

na(n)
11
21
32
43
55
67
75
88
911
1013
1111
1218
1323
1413
1515
1613
1721
1819
1921
2023
2118
2231
2319
2430
2537
2630
2741
2839
2923
3025
3134
3243
3328
3443
3541
3643
3745
3837
3935
4037
4150
4247
4338
4441
4554
4661
4752
4861
4959
5057
5155
5253
5364
5453
5570
5653
5776
5837
5969
6049
6166
6273
6371
6469
6571
6673
6775

[1,1,2,3,5,7,5,8,11,13,11,18,23,13,15,13,21,19,21,
 23,18,31,19,30,37,30,41,39,23,25,34,43,28,43,41,
 43,45,37,35,37,50,47,38,41,54,61,52,61,59,57,55,
 53,64,53,70,53,76,37,69,49,66,73,71,69,71,73,75]