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A117473 as a simple table

n a(n)
1 7
2 28
3 88
4 207
5 555
6 1248
7 3276
8 7315
9 19135
10 42676
11 111568
12 248775
13 650307
14 1450008
15 3790308
16 8451307
17 22091575
18 49257868
19 128759176
20 287095935
21 750463515
22 1673317776
23 4374021948
24 9752810755
25 25493668207

[7,28,88,207,555,1248,3276,7315,19135,42676,
 111568,248775,650307,1450008,3790308,8451307,
 22091575,49257868,128759176,287095935,750463515,
 1673317776,4374021948,9752810755,25493668207]

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Last modified June 13 07:16 EDT 2021. Contains 344981 sequences. (Running on oeis4.)