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A159920 as a simple table

na(n)
24
314
432
560
6100
7154
8224
9312
10420
11550
12704
13884
141092
151330
161600
171904
182244
192622
203040
213500
224004
234554
245152
255800
266500
277254
288064
298932
309860
3110850
3211904
3313024
3414212
3515470
3616800
3718204
3819684
3921242
4022880
4124600
4226404

[4,14,32,60,100,154,224,312,420,550,704,884,1092,
 1330,1600,1904,2244,2622,3040,3500,4004,4554,5152,
 5800,6500,7254,8064,8932,9860,10850,11904,13024,
 14212,15470,16800,18204,19684,21242,22880,24600,
 26404]