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A034347 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 1
7 6
8 25
9 99
10 385
11 1472
12 5676
13 22101
14 87404
15 350097
16 1413251
17 5708158
18 22903161
19 90699398
20 352749035
21 1342638839
22 4990325414
23 18090636016
24 63933709870
25 220277491298
26 740170023052
27 2426954735273
28 7770739437179
29 24314436451415
30 74406425640743
31 222867051758565
32 653898059035166

[0,0,0,0,0,1,6,25,99,385,1472,5676,22101,87404,
 350097,1413251,5708158,22903161,90699398,
 352749035,1342638839,4990325414,18090636016,
 63933709870,220277491298,740170023052,
 2426954735273,7770739437179,24314436451415,
 74406425640743,222867051758565,653898059035166]

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