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A257710 as a simple table

n a(n)
1 5
2 32
3 291
4 661
5 4102
6 8515
7 13685
8 113558
9 182368
10 377701
11 2290342
12 5027232
13 30483491
14 63130838
15 101378488
16 840238915
17 1349295285
18 2794368792
19 16944086651
20 37191598501
21 225516999142
22 467042067835
23 749998177365
24 6216087516438
25 9982086472888
26 20672740082341

[5,32,291,661,4102,8515,13685,113558,182368,
 377701,2290342,5027232,30483491,63130838,
 101378488,840238915,1349295285,2794368792,
 16944086651,37191598501,225516999142,467042067835,
 749998177365,6216087516438,9982086472888,
 20672740082341]

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Last modified February 27 10:15 EST 2020. Contains 332304 sequences. (Running on oeis4.)