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A219454 as a simple table

n a(n)
1 4
2 4
3 13
4 26
5 57
6 116
7 231
8 450
9 859
10 1604
11 2928
12 5228
13 9139
14 15653
15 26282
16 43275
17 69900
18 110803
19 172457
20 263715
21 396482
22 586522
23 854417
24 1226696
25 1737153
26 2428374
27 3353494
28 4578206
29 6183045
30 8265971
31 10945276
32 14362841
33 18687770
34 24120429

[4,4,13,26,57,116,231,450,859,1604,2928,5228,9139,
 15653,26282,43275,69900,110803,172457,263715,
 396482,586522,854417,1226696,1737153,2428374,
 3353494,4578206,6183045,8265971,10945276,14362841,
 18687770,24120429]

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Last modified October 22 13:49 EDT 2021. Contains 348170 sequences. (Running on oeis4.)