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A251241 as a simple table

na(n)
11
22
33
44
55
66
79
811
914
1015
1119
1222
1323
1429
1530
1640
1743
1851
1957
2061
2162
2265
2379
2487
2588
2694
27101
28114
29124
30127
31132
32137
33142
34153
35158
36167
37171
38175
39187
40194
41204
42215
43222
44233
45238
46247
47269
48273
49274
50277
51283
52296
53301
54313
55324
56329
57338
58355

[1,2,3,4,5,6,9,11,14,15,19,22,23,29,30,40,43,51,
 57,61,62,65,79,87,88,94,101,114,124,127,132,137,
 142,153,158,167,171,175,187,194,204,215,222,233,
 238,247,269,273,274,277,283,296,301,313,324,329,
 338,355]