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A340338 as a simple table

n a(n)
0 1
1 2
2 4
3 11
4 35
5 121
6 444
7 1689
8 6592
9 26258
10 106313
11 436203
12 1809727
13 7579202
14 31999297
15 136050472
16 582002281
17 2503242025
18 10818689627
19 46959246659
20 204623676444
21 894785832949
22 3925297799901
23 17270153317728
24 76187650017660
25 336934181461844

[1,2,4,11,35,121,444,1689,6592,26258,106313,
 436203,1809727,7579202,31999297,136050472,
 582002281,2503242025,10818689627,46959246659,
 204623676444,894785832949,3925297799901,
 17270153317728,76187650017660,336934181461844]

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Last modified June 15 12:29 EDT 2021. Contains 345048 sequences. (Running on oeis4.)