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A189561 as a simple table

na(n)
01
13
27
39
413
513
616
718
819
924
1017
1126
1217
1323
1425
1523
1628
1725
1823
1937
2021
2128
2225
2322
2436
2530
2634
2738
2828
2928
3027
3128
3245
3337
3435
3536
3634
3735
3833
3933
4031
4135
4235
4331
4443
4533
4637
4744
4836
4937
5038
5130
5250
5336
5444
5547
5643
5733
5843
5950
6036
6139
6238
6331
6441
6548

[1,3,7,9,13,13,16,18,19,24,17,26,17,23,25,23,28,
 25,23,37,21,28,25,22,36,30,34,38,28,28,27,28,45,
 37,35,36,34,35,33,33,31,35,35,31,43,33,37,44,36,
 37,38,30,50,36,44,47,43,33,43,50,36,39,38,31,41,
 48]