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A136358 as a simple table

n a(n)
1 4
2 6
3 9
4 15
5 30
6 105
7 420
8 2310
9 3465
10 15015
11 180180
12 765765
13 4084080
14 106696590
15 247342095
16 892371480
17 3011753745
18 9704539845
19 100280245065
20 103515091680
21 4412330782860
22 29682952539240
23 634473110526255
24 22514519501013540

[4,6,9,15,30,105,420,2310,3465,15015,180180,
 765765,4084080,106696590,247342095,892371480,
 3011753745,9704539845,100280245065,103515091680,
 4412330782860,29682952539240,634473110526255,
 22514519501013540]

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Last modified April 23 02:23 EDT 2024. Contains 371906 sequences. (Running on oeis4.)