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A064594 as a simple table

na(n)
11
22
33
45
56
67
710
811
913
1014
1115
1217
1319
1421
1522
1623
1724
1826
1929
2030
2131
2233
2334
2435
2537
2638
2739
2841
2942
3043
3146
3247
3351
3453
3555
3657
3758
3859
3961
4062
4165
4266
4367
4469
4570
4671
4773
4874
4977
5078
5179
5282
5383
5485
5586
5687
5789
5891
5993
6094
6195
6297
63101
64102
65103
66105
67106
68107
69109

[1,2,3,5,6,7,10,11,13,14,15,17,19,21,22,23,24,26,
 29,30,31,33,34,35,37,38,39,41,42,43,46,47,51,53,
 55,57,58,59,61,62,65,66,67,69,70,71,73,74,77,78,
 79,82,83,85,86,87,89,91,93,94,95,97,101,102,103,
 105,106,107,109]