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A225976 as a simple table

na(n)
14
215
348
4138
5350
6790
71616
83049
95384
109001
1114376
1222092
1332850
1447480
1566952
1692387
17125068
18166451
19218176
20282078
21360198
22454794
23568352
24703597
25863504
261051309
271270520
281524928
291818618
302155980
312541720
322980871
333478804
344041239

[4,15,48,138,350,790,1616,3049,5384,9001,14376,
 22092,32850,47480,66952,92387,125068,166451,
 218176,282078,360198,454794,568352,703597,863504,
 1051309,1270520,1524928,1818618,2155980,2541720,
 2980871,3478804,4041239]