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A345691 as a simple table

na(n)
10
20
314
448
51266
61988
721514
849392
9171032
10242964
11882708
121487996
133650020
144913620
159374594
1614382448
1729859148
1838410016
1971427550
2097525500
21147544988
22186821472
23320133640
24399015644
25605818854
26740618592
271061345430
281349418108
292017326672
302390222900

[0,0,14,48,1266,1988,21514,49392,171032,242964,
 882708,1487996,3650020,4913620,9374594,14382448,
 29859148,38410016,71427550,97525500,147544988,
 186821472,320133640,399015644,605818854,740618592,
 1061345430,1349418108,2017326672,2390222900]