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A107957 as a simple table

na(n)
01
13
26
311
417
525
636
752
869
988
10110
11137
12170
13211
14263
15331
16400
17471
18545
19624
20709
21802
22906
231026
241163
251319
261497
271702
281940
292219
302550
312949
323349
333751
344156
354566
364982
375406
385841
396292
406760
417247
427756
438292
448861
459471
4610133
4710863

[1,3,6,11,17,25,36,52,69,88,110,137,170,211,263,
 331,400,471,545,624,709,802,906,1026,1163,1319,
 1497,1702,1940,2219,2550,2949,3349,3751,4156,4566,
 4982,5406,5841,6292,6760,7247,7756,8292,8861,9471,
 10133,10863]