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A131318 as a simple table

na(n)
11
22
38
430
524
6120
7156
8126
996
10234
11640
1288
13264
14416
15700
16630
17352
18680
19468
20304
211200
22294
23572
241150
25528
262600
272288
281998
291176
30290
313660
32806
331344
341122
351360
362870
37792
382960
39532
402262
412400
421722
431764
443870
451056
465490
472300
481598

[1,2,8,30,24,120,156,126,96,234,640,88,264,416,
 700,630,352,680,468,304,1200,294,572,1150,528,
 2600,2288,1998,1176,290,3660,806,1344,1122,1360,
 2870,792,2960,532,2262,2400,1722,1764,3870,1056,
 5490,2300,1598]