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A296003 as a simple table

n a(n)
0 2
1 4
2 10
3 32
4 94
5 278
6 824
7 2440
8 7228
9 21408
10 63406
11 187800
12 556234
13 1647478
14 4879574
15 14452538
16 42806168
17 126785206
18 375518042
19 1112225982
20 3294240212
21 9757026674
22 28898794076
23 85593729210
24 253515301048
25 750872855508
26 2223968505284
27 6587048494582

[2,4,10,32,94,278,824,2440,7228,21408,63406,
 187800,556234,1647478,4879574,14452538,42806168,
 126785206,375518042,1112225982,3294240212,
 9757026674,28898794076,85593729210,253515301048,
 750872855508,2223968505284,6587048494582]

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Last modified September 1 09:54 EDT 2024. Contains 375584 sequences. (Running on oeis4.)