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A298937 as a simple table

n a(n)
0 1
1 1
2 0
3 0
4 0
5 0
6 0
7 7
8 1
9 0
10 0
11 9240
12 34650
13 1716
14 48477
15 551915
16 6726720
17 89973520
18 102639744
19 1824625081
20 9915389400
21 30143458884
22 278196062760
23 1995766236541
24 6611689457736
25 64547920386450
26 236756174748626
27 2315743488707806

[1,1,0,0,0,0,0,7,1,0,0,9240,34650,1716,48477,
 551915,6726720,89973520,102639744,1824625081,
 9915389400,30143458884,278196062760,1995766236541,
 6611689457736,64547920386450,236756174748626,
 2315743488707806]

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Last modified February 27 13:18 EST 2020. Contains 332306 sequences. (Running on oeis4.)