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A326558 as a simple table

n a(n)
0 1
1 1
2 3
3 10
4 33
5 126
6 535
7 2493
8 12569
9 68092
10 394029
11 2423257
12 15767827
13 108113333
14 778198815
15 5859990774
16 46016573248
17 375739918599
18 3181928792057
19 27881971943496
20 252291917965337
21 2353166240022595
22 22588471117451579
23 222844380918633385
24 2256632985093301978
25 23430724178641674376
26 249198423317854694260
27 2712372210346517891943

[1,1,3,10,33,126,535,2493,12569,68092,394029,
 2423257,15767827,108113333,778198815,5859990774,
 46016573248,375739918599,3181928792057,
 27881971943496,252291917965337,2353166240022595,
 22588471117451579,222844380918633385,
 2256632985093301978,23430724178641674376,
 249198423317854694260,2712372210346517891943]

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Last modified June 21 23:48 EDT 2024. Contains 373560 sequences. (Running on oeis4.)