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A148436 as a simple table

n a(n)
0 1
1 1
2 2
3 5
4 19
5 66
6 278
7 1083
8 4749
9 19813
10 89902
11 392386
12 1818172
13 8165084
14 38348338
15 175674079
16 833439373
17 3874392957
18 18520418884
19 87049560421
20 418534476354
21 1984090152690
22 9583703885386
23 45741627148451
24 221770286308344
25 1064286865852512
26 5175830260943097
27 24950890970938567
28 121651831984621449

[1,1,2,5,19,66,278,1083,4749,19813,89902,392386,
 1818172,8165084,38348338,175674079,833439373,
 3874392957,18520418884,87049560421,418534476354,
 1984090152690,9583703885386,45741627148451,
 221770286308344,1064286865852512,5175830260943097,
 24950890970938567,121651831984621449]

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Last modified June 21 14:17 EDT 2021. Contains 345364 sequences. (Running on oeis4.)