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A220968 as a simple table

na(n)
11
25
36
49
511
613
715
816
917
1020
1121
1223
1325
1427
1528
1629
1731
1833
1934
2036
2138
2239
2340
2442
2544
2645
2747
2849
2950
3052
3154
3255
3356
3458
3560
3661
3763
3865
3967
4068
4170
4271
4373
4474
4575
4676
4777
4879
4981
5082
5185
5286
5387
5489
5590
5692
5793
5894
5996
6097
6198
62100
63101
64104
65105

[1,5,6,9,11,13,15,16,17,20,21,23,25,27,28,29,31,
 33,34,36,38,39,40,42,44,45,47,49,50,52,54,55,56,
 58,60,61,63,65,67,68,70,71,73,74,75,76,77,79,81,
 82,85,86,87,89,90,92,93,94,96,97,98,100,101,104,
 105]