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A213152 as a simple table

n a(n)
0 1
1 -7
2 -21
3 917
4 11571
5 -452347
6 -13308141
7 435327557
8 25765086291
9 -624624700987
10 -74611975175661
11 990632591644997
12 299140108182963411
13 249897499717445573
14 -1569672873030414985581
15 -30079222140754781400763

[1,-7,-21,917,11571,-452347,-13308141,435327557,
 25765086291,-624624700987,-74611975175661,
 990632591644997,299140108182963411,
 249897499717445573,-1569672873030414985581,
 -30079222140754781400763]

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Last modified April 20 04:51 EDT 2024. Contains 371798 sequences. (Running on oeis4.)