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A316299 as a simple table

n a(n)
1 4
2 12
3 20
4 39
5 110
6 245
7 572
8 1384
9 3267
10 7767
11 18500
12 43949
13 104584
14 248880
15 591971
16 1408452
17 3351213
18 7973189
19 18970293
20 45135581
21 107389830
22 255510579
23 607930774
24 1446436781
25 3441480653
26 8188250475
27 19482148534
28 46353514855
29 110288063427

[4,12,20,39,110,245,572,1384,3267,7767,18500,
 43949,104584,248880,591971,1408452,3351213,
 7973189,18970293,45135581,107389830,255510579,
 607930774,1446436781,3441480653,8188250475,
 19482148534,46353514855,110288063427]

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Last modified June 18 04:41 EDT 2021. Contains 345098 sequences. (Running on oeis4.)