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A263420 as a simple table

na(n)
11
24
336
4196
5961
65329
729584
8160000
9868624
104739329
1125816561
12140517316
13765186244
144167218916
1522692108321
16123567013441
17672885527616
183664192267264
1919953231345216
20108654793385121
21591677262389889

[1,4,36,196,961,5329,29584,160000,868624,4739329,
 25816561,140517316,765186244,4167218916,
 22692108321,123567013441,672885527616,
 3664192267264,19953231345216,108654793385121,
 591677262389889]