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A115519 as a simple table

na(n)
00
15
231
396
4218
5415
6705
71106
81636
92313
103155
114180
125406
136851
148533
1510470
1612680
1715181
1817991
1921128
2024610
2128455
2232681
2337306
2442348
2547825
2653755
2760156
2867046
2974443
3082365
3190830
3299856
33109461
34119663
35130480
36141930
37154031
38166801
39180258

[0,5,31,96,218,415,705,1106,1636,2313,3155,4180,
 5406,6851,8533,10470,12680,15181,17991,21128,
 24610,28455,32681,37306,42348,47825,53755,60156,
 67046,74443,82365,90830,99856,109461,119663,
 130480,141930,154031,166801,180258]