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A305448 as a simple table

n a(n)
1 2
2 10
3 20
4 26
5 169
6 475
7 1234
8 5007
9 16422
10 51196
11 182859
12 619558
13 2064945
14 7171550
15 24597409
16 83961318
17 290423638
18 1002057750
19 3452837246
20 11953834123
21 41373636357
22 143157425820
23 496258006589
24 1720526318696
25 5965062389328

[2,10,20,26,169,475,1234,5007,16422,51196,182859,
 619558,2064945,7171550,24597409,83961318,
 290423638,1002057750,3452837246,11953834123,
 41373636357,143157425820,496258006589,
 1720526318696,5965062389328]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)