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A091001 as a simple table

n a(n)
0 0
1 1
2 0
3 5
4 4
5 33
6 56
7 253
8 588
9 2105
10 5632
11 18261
12 52052
13 161617
14 473928
15 1443629
16 4287196
17 12948969
18 38672144
19 116365957
20 348398820
21 1046594561
22 3136987480
23 9416554845
24 28238479724
25 84737808793
26 254168687136
27 762595539893

[0,1,0,5,4,33,56,253,588,2105,5632,18261,52052,
 161617,473928,1443629,4287196,12948969,38672144,
 116365957,348398820,1046594561,3136987480,
 9416554845,28238479724,84737808793,254168687136,
 762595539893]

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)