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A233675 as a simple table

n a(n)
1 48
2 184
3 648
4 2440
5 8712
6 32456
7 116872
8 432456
9 1565704
10 5768392
11 20957064
12 76995656
13 280355592
14 1028180936
15 3749152392
16 13733970760
17 50125386248
18 183485530824
19 670067844488
20 2451649137224
21 8956514967816
22 32760264743368

[48,184,648,2440,8712,32456,116872,432456,1565704,
 5768392,20957064,76995656,280355592,1028180936,
 3749152392,13733970760,50125386248,183485530824,
 670067844488,2451649137224,8956514967816,
 32760264743368]

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Last modified December 4 06:02 EST 2023. Contains 367541 sequences. (Running on oeis4.)