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A237249 as a simple table

na(n)
181
2344
3344
41488
52064
61488
76496
812600
912600
106496
1128176
1278420
13108652
1478420
1528176
16121088
17477144
18974864
19974864
20477144
21121088
22523776
232908188
248433384
2512987512
268433384
272908188
28523776
292286592
3017766000
3172877504

[81,344,344,1488,2064,1488,6496,12600,12600,6496,
 28176,78420,108652,78420,28176,121088,477144,
 974864,974864,477144,121088,523776,2908188,
 8433384,12987512,8433384,2908188,523776,2286592,
 17766000,72877504]