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A218299 as a simple table

n a(n)
0 1
1 1
2 5
3 21
4 109
5 573
6 3209
7 18425
8 108649
9 652425
10 3979805
11 24583853
12 153488501
13 966993893
14 6139832385
15 39249227569
16 252400089361
17 1631676380497
18 10597809743477
19 69123464993925
20 452567027633853
21 2973269053045197
22 19595030047168569
23 129509530910221737

[1,1,5,21,109,573,3209,18425,108649,652425,
 3979805,24583853,153488501,966993893,6139832385,
 39249227569,252400089361,1631676380497,
 10597809743477,69123464993925,452567027633853,
 2973269053045197,19595030047168569,
 129509530910221737]

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Last modified April 19 02:28 EDT 2024. Contains 371782 sequences. (Running on oeis4.)