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A256054 as a simple table

na(n)
0-1
14
29
320
435
560
6104
7164
8255
9396
10590
11864
121259
131800
142541
153560
164919
176744
189190
1912396
2016605
2122124
2229269
2338496
2450386
2565580
2684948
27109564
28140661
29179856
30229110
31290708
32367569
33463236
34581837
35728520
36909528
371132188

[-1,4,9,20,35,60,104,164,255,396,590,864,1259,
 1800,2541,3560,4919,6744,9190,12396,16605,22124,
 29269,38496,50386,65580,84948,109564,140661,
 179856,229110,290708,367569,463236,581837,728520,
 909528,1132188]