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A191605 as a simple table

n a(n)
0 1
1 4
2 10
3 26
4 66
5 168
6 426
7 1078
8 2722
9 6862
10 17274
11 43432
12 109086
13 273734
14 686334
15 1719604
16 4305666
17 10774550
18 26948142
19 67367456
20 168337622
21 420472716
22 1049866442
23 2620488898
24 6538734758
25 16310909604
26 40676600026
27 101414764862
28 252787228590
29 629960214066

[1,4,10,26,66,168,426,1078,2722,6862,17274,43432,
 109086,273734,686334,1719604,4305666,10774550,
 26948142,67367456,168337622,420472716,1049866442,
 2620488898,6538734758,16310909604,40676600026,
 101414764862,252787228590,629960214066]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)