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A252980 as a simple table

n a(n)
1 6
2 41
3 266
4 1247
5 4657
6 67537
7 433401
8 1481460
9 3510600
10 6637020
11 10878576
12 16235268
13 22707096
14 30294060
15 38996160
16 48813396
17 59745768
18 71793276
19 84955920
20 99233700
21 114626616
22 131134668
23 148757856
24 167496180
25 187349640
26 208318236

[6,41,266,1247,4657,67537,433401,1481460,3510600,
 6637020,10878576,16235268,22707096,30294060,
 38996160,48813396,59745768,71793276,84955920,
 99233700,114626616,131134668,148757856,167496180,
 187349640,208318236]

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Last modified December 9 00:20 EST 2022. Contains 358698 sequences. (Running on oeis4.)