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A205991 as a simple table

n a(n)
1 26
2 92
3 330
4 1184
5 4250
6 15252
7 54738
8 196448
9 705026
10 2530252
11 9080754
12 32589688
13 116960298
14 419755820
15 1506450938
16 5406463248
17 19403117738
18 69635353188
19 249912538754
20 896904721104
21 3218878423314
22 11552150479772
23 41459217515106

[26,92,330,1184,4250,15252,54738,196448,705026,
 2530252,9080754,32589688,116960298,419755820,
 1506450938,5406463248,19403117738,69635353188,
 249912538754,896904721104,3218878423314,
 11552150479772,41459217515106]

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Last modified February 23 14:24 EST 2024. Contains 370283 sequences. (Running on oeis4.)