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A019100 as a simple table

n a(n)
3 0
4 2
5 2
6 6
7 13
8 29
9 45
10 138
11 272
12 700
13 1377
14 3283
15 6855
16 17080
17 38581
18 97724
19 236340
20 613401
21 1540376
22 4107943
23 10615097
24 28534261
25 75133017
26 201605473
27 533809236
28 1425821333
29 3772263745
30 10024384493
31 26473531803

[0,2,2,6,13,29,45,138,272,700,1377,3283,6855,
 17080,38581,97724,236340,613401,1540376,4107943,
 10615097,28534261,75133017,201605473,533809236,
 1425821333,3772263745,10024384493,26473531803]

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Last modified August 12 10:16 EDT 2022. Contains 356069 sequences. (Running on oeis4.)