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A293465 as a simple table

n a(n)
0 1
1 -1
2 3
3 -13
4 19
5 -77
6 179
7 -461
8 1075
9 -3021
10 7219
11 -17357
12 44083
13 -103373
14 257075
15 -627661
16 1469491
17 -3511245
18 8547379
19 -19764173
20 47344691
21 -112038861
22 261254195
23 -611161037
24 1435659315
25 -3329070029
26 7743892531
27 -18025911245
28 41566759987
29 -95872193485

[1,-1,3,-13,19,-77,179,-461,1075,-3021,7219,
 -17357,44083,-103373,257075,-627661,1469491,
 -3511245,8547379,-19764173,47344691,-112038861,
 261254195,-611161037,1435659315,-3329070029,
 7743892531,-18025911245,41566759987,-95872193485]

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Last modified April 14 05:41 EDT 2021. Contains 342946 sequences. (Running on oeis4.)