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A348594 as a simple table

na(n)
18
250
31250
41800
52450
69800
714450
820000
924200
10101250
11105800
12135200
13162450
14168200
15204800
16304200
17336200
18451250
19480200
20490050
21530450
22696200
23924800
24966050
251008200
261125000
271155200
281428050
291805000
302332800
312420000
322576450
332761250
342832200

[8,50,1250,1800,2450,9800,14450,20000,24200,
 101250,105800,135200,162450,168200,204800,304200,
 336200,451250,480200,490050,530450,696200,924800,
 966050,1008200,1125000,1155200,1428050,1805000,
 2332800,2420000,2576450,2761250,2832200]