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A171426 as a simple table

n a(n)
1 1
2 5
3 16
4 49
5 129
6 341
7 833
8 2029
9 4760
10 11068
11 25182
12 56888
13 126661
14 280169
15 613893
16 1337386
17 2893793
18 6232013
19 13352607
20 28497552
21 60580905
22 128368080
23 271153740
24 571224871
25 1200298631
26 2516483260
27 5264785310
28 10993631034
29 22915508186
30 47688470005

[1,5,16,49,129,341,833,2029,4760,11068,25182,
 56888,126661,280169,613893,1337386,2893793,
 6232013,13352607,28497552,60580905,128368080,
 271153740,571224871,1200298631,2516483260,
 5264785310,10993631034,22915508186,47688470005]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)