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A036249 as a simple table

n a(n)
0 0
1 1
2 2
3 5
4 13
5 37
6 108
7 332
8 1042
9 3360
10 11019
11 36722
12 123875
13 422449
14 1453553
15 5040816
16 17599468
17 61814275
18 218252584
19 774226549
20 2758043727
21 9862357697
22 35387662266
23 127374191687
24 459783039109
25 1664042970924
26 6037070913558
27 21951214425140
28 79981665585029

[0,1,2,5,13,37,108,332,1042,3360,11019,36722,
 123875,422449,1453553,5040816,17599468,61814275,
 218252584,774226549,2758043727,9862357697,
 35387662266,127374191687,459783039109,
 1664042970924,6037070913558,21951214425140,
 79981665585029]

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Last modified September 29 21:59 EDT 2020. Contains 337432 sequences. (Running on oeis4.)