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A247370 as a simple table

n a(n)
0 1
1 1
2 0
3 1
4 1
5 1
6 2
7 3
8 -1
9 7
10 10
11 13
12 9
13 37
14 40
15 133
16 369
17 877
18 -488
19 4429
20 9881
21 16869
22 46970
23 169039
24 65311
25 1875739
26 6659730
27 23387209
28 -7406159
29 265302649
30 923436432
31 2717142457
32 17805417409
33 89803227913
34 -79079320720
35 2449845576777
36 12004801505489

[1,1,0,1,1,1,2,3,-1,7,10,13,9,37,40,133,369,877,
 -488,4429,9881,16869,46970,169039,65311,1875739,
 6659730,23387209,-7406159,265302649,923436432,
 2717142457,17805417409,89803227913,-79079320720,
 2449845576777,12004801505489]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)