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A228932 as a simple table

n a(n)
1 2
2 9
3 30
4 60
5 122
6 -878
7 11429
8 35241
9 -177141
10 709582
11 -3123032
12 -1157723745
13 3237738813
14 -16178936725
15 33395053634
16 -71863018424
17 -153349368674
18 -386763022623
19 -8021033029400
20 16314606875900
21 52522689388692

[2,9,30,60,122,-878,11429,35241,-177141,709582,
 -3123032,-1157723745,3237738813,-16178936725,
 33395053634,-71863018424,-153349368674,
 -386763022623,-8021033029400,16314606875900,
 52522689388692]

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Last modified February 27 19:10 EST 2020. Contains 332308 sequences. (Running on oeis4.)