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A005997 as a simple table

na(n)
11
23
310
420
539
663
7100
8144
9205
10275
11366
12468
13595
14735
15904
161088
171305
181539
191810
202100
212431
222783
233180
243600
254069
264563
275110
285684
296315
306975
317696
328448
339265
3410115
3511034
3611988
3713015
3814079
3915220
4016400
4117661
4218963
4320350
4421780
4523299

[1,3,10,20,39,63,100,144,205,275,366,468,595,735,
 904,1088,1305,1539,1810,2100,2431,2783,3180,3600,
 4069,4563,5110,5684,6315,6975,7696,8448,9265,
 10115,11034,11988,13015,14079,15220,16400,17661,
 18963,20350,21780,23299]