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A273419 as a simple table

na(n)
01
15
226
367
4139
5252
6412
7629
8909
91262
101694
112215
122831
133552
144384
155337
166417
177634
188994
1910507
2012179
2114020
2216036
2318237
2420629
2523222
2626022
2729039
2832279
2935752
3039464
3143425
3247641
3352122
3456874
3561907
3667227
3772844
3878764
3984997
4091549
4198430

[1,5,26,67,139,252,412,629,909,1262,1694,2215,
 2831,3552,4384,5337,6417,7634,8994,10507,12179,
 14020,16036,18237,20629,23222,26022,29039,32279,
 35752,39464,43425,47641,52122,56874,61907,67227,
 72844,78764,84997,91549,98430]