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A038260 as a simple table

na(n)
01
16
26
336
472
536
6216
7648
8648
9216
101296
115184
127776
135184
141296
157776
1638880
1777760
1877760
1938880
207776
2146656
22279936
23699840
24933120
25699840
26279936
2746656
28279936
291959552
305878656
319797760
329797760
335878656
341959552
35279936
361679616

[1,6,6,36,72,36,216,648,648,216,1296,5184,7776,
 5184,1296,7776,38880,77760,77760,38880,7776,46656,
 279936,699840,933120,699840,279936,46656,279936,
 1959552,5878656,9797760,9797760,5878656,1959552,
 279936,1679616]