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A303844 as a simple table

n a(n)
0 1
1 0
2 1
3 1
4 4
5 7
6 26
7 69
8 246
9 818
10 2976
11 10791
12 40591
13 153959
14 594753
15 2320696
16 9159498
17 36467012
18 146411208
19 592046830
20 2409946566
21 9867745442
22 40623068380
23 168058068487
24 698400767839
25 2914407151002
26 12208398647345
27 51322369218674
28 216463504458521

[1,0,1,1,4,7,26,69,246,818,2976,10791,40591,
 153959,594753,2320696,9159498,36467012,146411208,
 592046830,2409946566,9867745442,40623068380,
 168058068487,698400767839,2914407151002,
 12208398647345,51322369218674,216463504458521]

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)