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A187994 as a simple table

n a(n)
1 1
2 2
3 3
4 12
5 25
6 106
7 376
8 1670
9 7315
10 35808
11 176971
12 910940
13 4782220
14 25663080
15 139884020
16 773939566
17 4334475055
18 24546800088
19 140363450663
20 809676156506
21 4707204024505
22 27561115755712
23 162415358799242
24 962751492786378
25 5737779091829582

[1,2,3,12,25,106,376,1670,7315,35808,176971,
 910940,4782220,25663080,139884020,773939566,
 4334475055,24546800088,140363450663,809676156506,
 4707204024505,27561115755712,162415358799242,
 962751492786378,5737779091829582]

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Last modified September 9 19:52 EDT 2024. Contains 375765 sequences. (Running on oeis4.)