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A112412 as a simple table

n a(n)
0 1
1 1
2 2
3 5
4 12
5 30
6 82
7 237
8 708
9 2188
10 6980
11 22814
12 75994
13 257266
14 883006
15 3065757
16 10748620
17 38005844
18 135385700
19 485439532
20 1750738084
21 6347006468
22 23118315044
23 84565309214
24 310536661002
25 1144393816154
26 4231119156334

[1,1,2,5,12,30,82,237,708,2188,6980,22814,75994,
 257266,883006,3065757,10748620,38005844,135385700,
 485439532,1750738084,6347006468,23118315044,
 84565309214,310536661002,1144393816154,
 4231119156334]

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Last modified June 24 21:50 EDT 2021. Contains 345433 sequences. (Running on oeis4.)