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A337204 as a simple table

na(n)
11
21
34
41
524
64
7192
81
913
1024
112304
124
1332256
14192
1578
161
17580608
1813
1911612160
2024
21624
222304
23278691840
244
25403
2632256
2740
28192
298360755200
3078
31267544166400
321
337488
34580608
353224
3613
3710166678323200
3811612160
39104832
4024
41427000489574400
42624
4318788021541273600
442304
45240
46278691840
47901825033981132800
484
4922971
50403

[1,1,4,1,24,4,192,1,13,24,2304,4,32256,192,78,1,
 580608,13,11612160,24,624,2304,278691840,4,403,
 32256,40,192,8360755200,78,267544166400,1,7488,
 580608,3224,13,10166678323200,11612160,104832,24,
 427000489574400,624,18788021541273600,2304,240,
 278691840,901825033981132800,4,22971,403]