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A187256 as a simple table

n a(n)
0 1
1 2
2 4
3 10
4 28
5 82
6 248
7 770
8 2440
9 7858
10 25644
11 84618
12 281844
13 946338
14 3199728
15 10885122
16 37230352
17 127951714
18 441633812
19 1530242954
20 5320853260
21 18560408050
22 64932101224
23 227767796482
24 800928670232
25 2822814469394
26 9969770245948
27 35280714655498

[1,2,4,10,28,82,248,770,2440,7858,25644,84618,
 281844,946338,3199728,10885122,37230352,127951714,
 441633812,1530242954,5320853260,18560408050,
 64932101224,227767796482,800928670232,
 2822814469394,9969770245948,35280714655498]

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Last modified April 25 11:37 EDT 2024. Contains 371968 sequences. (Running on oeis4.)