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A122242 as a simple table

n a(n)
1 42
2 240
3 916
4 3748
5 14960
6 62104
7 248176
8 969304
9 3876576
10 15962544
11 63772488
12 248169896
13 993554240
14 4086635408
15 16350541128
16 63529835824
17 254129143040
18 1046249323840
19 4184725760584
20 16276030608712
21 65054467548432
22 267635134298624

[42,240,916,3748,14960,62104,248176,969304,
 3876576,15962544,63772488,248169896,993554240,
 4086635408,16350541128,63529835824,254129143040,
 1046249323840,4184725760584,16276030608712,
 65054467548432,267635134298624]

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Last modified June 20 12:04 EDT 2021. Contains 345164 sequences. (Running on oeis4.)