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A213170 as a simple table

n a(n)
0 1
1 -2
2 2
3 2
4 -6
5 -14
6 26
7 178
8 90
9 -2382
10 -9446
11 13746
12 287194
13 998578
14 -3687782
15 -56264782
16 -208446118
17 1017677490
18 17194912282
19 79540574642
20 -317691584294
21 -7577787031374
22 -47958156443238
23 77252406086578
24 4400217218583642
25 39757699729476274
26 54538870133137690

[1,-2,2,2,-6,-14,26,178,90,-2382,-9446,13746,
 287194,998578,-3687782,-56264782,-208446118,
 1017677490,17194912282,79540574642,-317691584294,
 -7577787031374,-47958156443238,77252406086578,
 4400217218583642,39757699729476274,
 54538870133137690]

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Last modified April 19 09:23 EDT 2024. Contains 371782 sequences. (Running on oeis4.)