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A201458 as a simple table

n a(n)
0 1
1 9
2 46
3 175
4 551
5 1520
6 3811
7 8921
8 19922
9 43211
10 92363
11 196608
12 419295
13 897565
14 1926458
15 4135255
16 8854359
17 18875392
18 40024059
19 84417521
20 177221602
21 370688979
22 773342163
23 1610612736
24 3350668423
25 6964989333
26 14466833194
27 30021724351
28 62233946303

[1,9,46,175,551,1520,3811,8921,19922,43211,92363,
 196608,419295,897565,1926458,4135255,8854359,
 18875392,40024059,84417521,177221602,370688979,
 773342163,1610612736,3350668423,6964989333,
 14466833194,30021724351,62233946303]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)