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A025726 as a simple table

na(n)
11
22
34
47
511
616
722
829
937
1045
1154
1264
1375
1487
15100
16114
17129
18145
19161
20178
21196
22215
23235
24256
25278
26301
27325
28349
29374
30400
31427
32455
33484
34514
35545
36576
37608
38641
39675
40710
41746
42783
43821
44860
45899
46939
47980
481022
491065
501109
511154
521200
531247
541294
551342

[1,2,4,7,11,16,22,29,37,45,54,64,75,87,100,114,
 129,145,161,178,196,215,235,256,278,301,325,349,
 374,400,427,455,484,514,545,576,608,641,675,710,
 746,783,821,860,899,939,980,1022,1065,1109,1154,
 1200,1247,1294,1342]