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A101126 as a simple table

n a(n)
0 1
1 0
2 0
3 1
4 3
5 3
6 8
7 30
8 117
9 466
10 1960
11 8655
12 40391
13 200085
14 1051888
15 5844844
16 34131049
17 208344660
18 1324262256
19 8743620525
20 59891078347
21 425216195191
22 3126418416440
23 23778261543210
24 186815245299549
25 1513931016854598

[1,0,0,1,3,3,8,30,117,466,1960,8655,40391,200085,
 1051888,5844844,34131049,208344660,1324262256,
 8743620525,59891078347,425216195191,3126418416440,
 23778261543210,186815245299549,1513931016854598]

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Last modified June 18 04:26 EDT 2024. Contains 373468 sequences. (Running on oeis4.)