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A072897 as a simple table

n a(n)
3 136
4 2178
5 58618
6 63804
7 2755907
8 0
9 144839908
10 304162700
11 4370652168
12 0
13 0
14 0
15 0
16 0
17 21914086555935085
18 187864919457180831
19 0
20 13397885590701080090
21 0
22 0
23 0
24 19095442247273220984552
25 1553298727699254868304830
26 1539325689516673750004702
27 242402817739393059296681797

[136,2178,58618,63804,2755907,0,144839908,
 304162700,4370652168,0,0,0,0,0,21914086555935085,
 187864919457180831,0,13397885590701080090,0,0,0,
 19095442247273220984552,1553298727699254868304830,
 1539325689516673750004702,
 242402817739393059296681797]

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)