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A299460 as a simple table

n a(n)
1 1
2 18
3 57
4 226
5 861
6 3432
7 13268
8 51790
9 202533
10 791520
11 3091948
12 12082943
13 47217580
14 184509929
15 721007054
16 2817499893
17 11009995373
18 43023947508
19 168125545744
20 656987671438
21 2567324064308
22 10032384770569
23 39203756299445

[1,18,57,226,861,3432,13268,51790,202533,791520,
 3091948,12082943,47217580,184509929,721007054,
 2817499893,11009995373,43023947508,168125545744,
 656987671438,2567324064308,10032384770569,
 39203756299445]

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Last modified August 17 23:40 EDT 2024. Contains 375255 sequences. (Running on oeis4.)