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A149816 as a simple table

n a(n)
0 1
1 2
2 4
3 10
4 26
5 76
6 248
7 810
8 2710
9 9186
10 31999
11 115123
12 418274
13 1533038
14 5654034
15 21106525
16 79847876
17 304224378
18 1165021705
19 4480513435
20 17346259036
21 67616557623
22 264822472424
23 1040790600976
24 4103626251277
25 16247011720463
26 64588526966231
27 257593993547862
28 1029967708706396
29 4128474717777511

[1,2,4,10,26,76,248,810,2710,9186,31999,115123,
 418274,1533038,5654034,21106525,79847876,
 304224378,1165021705,4480513435,17346259036,
 67616557623,264822472424,1040790600976,
 4103626251277,16247011720463,64588526966231,
 257593993547862,1029967708706396,4128474717777511]

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Last modified May 3 12:43 EDT 2024. Contains 372212 sequences. (Running on oeis4.)