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A090371 as a simple table

n a(n)
1 1
2 3
3 6
4 20
5 60
6 291
7 1310
8 6975
9 37746
10 215602
11 1262874
12 7611156
13 46814132
14 293447817
15 1868710728
16 12068905911
17 78913940784
18 521709872895
19 3483289035186
20 23464708686960
21 159346213738020
22 1090073011199451
23 7507285094455566
24 52021636161126702

[1,3,6,20,60,291,1310,6975,37746,215602,1262874,
 7611156,46814132,293447817,1868710728,12068905911,
 78913940784,521709872895,3483289035186,
 23464708686960,159346213738020,1090073011199451,
 7507285094455566,52021636161126702]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)