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A299292 as a simple table

na(n)
01
16
220
349
4105
5190
6320
7501
8727
91026
101408
111853
122391
133026
143734
154579
165541
176620
187838
199201
2010657
2112328
2214136
2316123
2418293
2520658
2623128
2725905
2828825
2931994
3035388
3139029
3242779
3346942
3451240
3555865
3660755
3765946
3871242
3977071
4083013
4189368
4296026

[1,6,20,49,105,190,320,501,727,1026,1408,1853,
 2391,3026,3734,4579,5541,6620,7838,9201,10657,
 12328,14136,16123,18293,20658,23128,25905,28825,
 31994,35388,39029,42779,46942,51240,55865,60755,
 65946,71242,77071,83013,89368,96026]