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A349884 as a simple table

n a(n)
0 1
1 1
2 3
3 12
4 76
5 961
6 15407
7 221528
8 3260936
9 80774113
10 2462081967
11 50963779604
12 922244742292
13 61063845514113
14 2868669700179871
15 2019727494212912
16 -47889136910252848
17 461395118866593115713
18 5781219348638565771423
19 -2108738296748190078596084

[1,1,3,12,76,961,15407,221528,3260936,80774113,
 2462081967,50963779604,922244742292,
 61063845514113,2868669700179871,2019727494212912,
 -47889136910252848,461395118866593115713,
 5781219348638565771423,-2108738296748190078596084]

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Last modified August 13 10:15 EDT 2024. Contains 375130 sequences. (Running on oeis4.)