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A149061 as a simple table

n a(n)
0 1
1 1
2 3
3 11
4 39
5 155
6 629
7 2635
8 11375
9 49775
10 221993
11 1000469
12 4559119
13 20954301
14 97007355
15 452068093
16 2117955301
17 9972403285
18 47151732371
19 223801633257
20 1065825239793
21 5091269173915
22 24386527347883
23 117095676603227
24 563513272181635
25 2717367767033319
26 13128069939371165
27 63531808704306035

[1,1,3,11,39,155,629,2635,11375,49775,221993,
 1000469,4559119,20954301,97007355,452068093,
 2117955301,9972403285,47151732371,223801633257,
 1065825239793,5091269173915,24386527347883,
 117095676603227,563513272181635,2717367767033319,
 13128069939371165,63531808704306035]

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Last modified September 19 06:16 EDT 2020. Contains 337177 sequences. (Running on oeis4.)