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A075207 as a simple table

n a(n)
1 1
2 1
3 3
4 6
5 12
6 36
7 60
8 209
9 387
10 1054
11 1468
12 6895
13 7001
14 23920
15 49496
16 126732
17 146046
18 638800
19 647502
20 2772935
21 4162861

[1,1,3,6,12,36,60,209,387,1054,1468,6895,7001,
 23920,49496,126732,146046,638800,647502,2772935,
 4162861]

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Last modified November 14 06:40 EST 2019. Contains 329110 sequences. (Running on oeis4.)