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A247910 as a simple table

na(n)
11
22
34
46
57
69
710
812
914
1015
1117
1219
1320
1422
1523
1625
1727
1828
1930
2032
2133
2235
2337
2438
2540
2642
2743
2845
2947
3049
3150
3252
3354
3455
3557
3659
3760
3862
3964
4065
4167
4269
4371
4472
4574
4676
4777
4879
4981
5082
5184
5286
5388
5489
5591
5693
5794
5896
5998
60100
61101
62103
63105
64106
65108

[1,2,4,6,7,9,10,12,14,15,17,19,20,22,23,25,27,28,
 30,32,33,35,37,38,40,42,43,45,47,49,50,52,54,55,
 57,59,60,62,64,65,67,69,71,72,74,76,77,79,81,82,
 84,86,88,89,91,93,94,96,98,100,101,103,105,106,
 108]