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A149575 as a simple table

n a(n)
0 1
1 1
2 5
3 13
4 65
5 209
6 1045
7 3729
8 18645
9 70717
10 353585
11 1395805
12 6979025
13 28339645
14 141698225
15 587614085
16 2938070425
17 12383615985
18 61918079925
19 264376635889
20 1321883179445
21 5704016489345
22 28520082446725
23 124149831843401
24 620749159217005
25 2722238024497961
26 13611190122489805
27 60069831193045649

[1,1,5,13,65,209,1045,3729,18645,70717,353585,
 1395805,6979025,28339645,141698225,587614085,
 2938070425,12383615985,61918079925,264376635889,
 1321883179445,5704016489345,28520082446725,
 124149831843401,620749159217005,2722238024497961,
 13611190122489805,60069831193045649]

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Last modified January 19 17:59 EST 2020. Contains 331051 sequences. (Running on oeis4.)