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A229737 as a simple table

n a(n)
0 0
1 0
2 1
3 2
4 5
5 14
6 40
7 114
8 322
9 900
10 2490
11 6826
12 18564
13 50146
14 134690
15 360068
16 958826
17 2545082
18 6737860
19 17799570
20 46939378
21 123608388
22 325130970
23 854405962
24 2243591940
25 5887904194
26 15444237890
27 40495141124
28 106146043082
29 278161091930
30 728790217540
31 1909149084786
32 5000603193874
33 13096687028676
34 34297779391290

[0,0,1,2,5,14,40,114,322,900,2490,6826,18564,
 50146,134690,360068,958826,2545082,6737860,
 17799570,46939378,123608388,325130970,854405962,
 2243591940,5887904194,15444237890,40495141124,
 106146043082,278161091930,728790217540,
 1909149084786,5000603193874,13096687028676,
 34297779391290]

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Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)