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A031776 as a simple table

na(n)
12402
29606
321612
438420
560030
686442
7117656
8153672
9194490
10240110
11290532
12345756
13405782
14470610
15540240
16614672
17693906
18777942
19866780
20960420
211058862
221162106
231270152
241383000
251500650
261623102
271750356
281882412
292019270
302160930

[2402,9606,21612,38420,60030,86442,117656,153672,
 194490,240110,290532,345756,405782,470610,540240,
 614672,693906,777942,866780,960420,1058862,
 1162106,1270152,1383000,1500650,1623102,1750356,
 1882412,2019270,2160930]