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A263229 as a simple table

na(n)
00
1-20
2128
3444
4928
51580
62400
73388
84544
95868
107360
119020
1210848
1312844
1415008
1517340
1619840
1722508
1825344
1928348
2031520
2134860
2238368
2342044
2445888
2549900
2654080
2758428
2862944
2967628
3072480
3177500
3282688
3388044
3493568
3599260
36105120
37111148
38117344
39123708
40130240

[0,-20,128,444,928,1580,2400,3388,4544,5868,7360,
 9020,10848,12844,15008,17340,19840,22508,25344,
 28348,31520,34860,38368,42044,45888,49900,54080,
 58428,62944,67628,72480,77500,82688,88044,93568,
 99260,105120,111148,117344,123708,130240]