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A191498 as a simple table

n a(n)
0 1
1 1
2 3
3 3
4 -7
5 25
6 267
7 -2261
8 -9231
9 284337
10 -464365
11 -45533741
12 430558185
13 8212158409
14 -201645489381
15 -1064348170245
16 94082272856033
17 -489731454691487
18 -45404775138028509
19 840156145287526819
20 20537314081214613465
21 -913405900816937424519

[1,1,3,3,-7,25,267,-2261,-9231,284337,-464365,
 -45533741,430558185,8212158409,-201645489381,
 -1064348170245,94082272856033,-489731454691487,
 -45404775138028509,840156145287526819,
 20537314081214613465,-913405900816937424519]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)