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A159612 as a simple table

n a(n)
1 1
2 4
3 8
4 24
5 56
6 152
7 376
8 984
9 2488
10 6424
11 16376
12 42072
13 107576
14 275864
15 706168
16 1809624
17 4634296
18 11872792
19 30409976
20 77901144
21 199541048
22 511145624
23 1309309816
24 3353892312
25 8591131576
26 22006700824
27 56371227128
28 144398030424
29 369882938936
30 947475060632
31 2427006816376

[1,4,8,24,56,152,376,984,2488,6424,16376,42072,
 107576,275864,706168,1809624,4634296,11872792,
 30409976,77901144,199541048,511145624,1309309816,
 3353892312,8591131576,22006700824,56371227128,
 144398030424,369882938936,947475060632,
 2427006816376]

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Last modified August 4 06:17 EDT 2020. Contains 336201 sequences. (Running on oeis4.)