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A110155 as a simple table

n a(n)
0 1
1 5
2 30
3 155
4 855
5 4305
6 23255
7 116705
8 614655
9 3108355
10 16168430
11 81136755
12 422279580
13 2116775030
14 10893334980
15 54857686305
16 281413208380
17 1410806289330
18 7237582729155
19 36262232611605
20 185184341144805

[1,5,30,155,855,4305,23255,116705,614655,3108355,
 16168430,81136755,422279580,2116775030,
 10893334980,54857686305,281413208380,
 1410806289330,7237582729155,36262232611605,
 185184341144805]

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Last modified December 1 23:44 EST 2022. Contains 358485 sequences. (Running on oeis4.)