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A031008 as a simple table

na(n)
10
27
321
435
549
663
777
891
992
1095
1198
12101
13104
14107
15110
16112
17133
18154
19175
20196
21217
22238
23239
24242
25245
26248
27251
28254
29257
30259
31280
32301
33322
34343
35364
36385
37386
38389
39392
40395
41398
42401
43404
44406
45427
46448
47469
48490
49511

[0,7,21,35,49,63,77,91,92,95,98,101,104,107,110,
 112,133,154,175,196,217,238,239,242,245,248,251,
 254,257,259,280,301,322,343,364,385,386,389,392,
 395,398,401,404,406,427,448,469,490,511]