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A156347 as a simple table

n a(n)
0 1
1 -7
2 -30
3 1603
4 5970
5 -277207
6 -3053790
7 798236411
8 2926843890
9 -246057649537
10 -4510293993150
11 926939784063433
12 10194432237557010
13 -1238037038145567667
14 -31770283512126257310
15 35614753259364496078267
16 130562740697866208097330
17 -20734607702641977619141597

[1,-7,-30,1603,5970,-277207,-3053790,798236411,
 2926843890,-246057649537,-4510293993150,
 926939784063433,10194432237557010,
 -1238037038145567667,-31770283512126257310,
 35614753259364496078267,130562740697866208097330,
 -20734607702641977619141597]

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Last modified June 17 22:14 EDT 2021. Contains 345086 sequences. (Running on oeis4.)