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A298269 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 11
5 29
6 94
7 304
8 1005
9 3336
10 11398
11 38739
12 132340
13 451086
14 1541074
15 5242767
16 17779666
17 60048847
18 202124143
19 677000711
20 2256910444
21 7486274436
22 24713275977
23 81162110629
24 265192045408
25 862061443031
26 2788194736946
27 8972104829849
28 28726271274133
29 91515498561954
30 290116750935925

[1,1,2,4,11,29,94,304,1005,3336,11398,38739,
 132340,451086,1541074,5242767,17779666,60048847,
 202124143,677000711,2256910444,7486274436,
 24713275977,81162110629,265192045408,862061443031,
 2788194736946,8972104829849,28726271274133,
 91515498561954,290116750935925]

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Last modified August 7 17:02 EDT 2020. Contains 336277 sequences. (Running on oeis4.)