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A375402 as a simple table

na(n)
11
22
33
45
56
67
710
811
912
1013
1114
1215
1317
1419
1520
1621
1722
1823
1926
2028
2129
2230
2331
2433
2534
2635
2737
2838
2939
3041
3142
3243
3344
3445
3546
3647
3751
3852
3953
4055
4157
4258
4359
4460
4561
4662
4763
4865
4966
5067
5168
5269
5370
5471
5573
5674
5776
5877
5978
6079
6182
6283
6384
6485
6586
6687
6789

[1,2,3,5,6,7,10,11,12,13,14,15,17,19,20,21,22,23,
 26,28,29,30,31,33,34,35,37,38,39,41,42,43,44,45,
 46,47,51,52,53,55,57,58,59,60,61,62,63,65,66,67,
 68,69,70,71,73,74,76,77,78,79,82,83,84,85,86,87,
 89]