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A231295 as a simple table

n a(n)
1 1
2 2
3 4
4 12
5 32
6 92
7 264
8 756
9 2176
10 6252
11 17976
12 51684
13 148592
14 427228
15 1228328
16 3531604
17 10153824
18 29193548
19 83935256
20 241324740
21 693839952
22 1994879932
23 5735538696
24 16490418228
25 47412092736
26 136315920428
27 391925964280

[1,2,4,12,32,92,264,756,2176,6252,17976,51684,
 148592,427228,1228328,3531604,10153824,29193548,
 83935256,241324740,693839952,1994879932,
 5735538696,16490418228,47412092736,136315920428,
 391925964280]

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Last modified August 22 02:40 EDT 2024. Contains 375354 sequences. (Running on oeis4.)