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A211285 as a simple table

n a(n)
0 1
1 3
2 9
3 25
4 70
5 196
6 551
7 1552
8 4378
9 12375
10 35048
11 99449
12 282724
13 805270
14 2297862
15 6568973
16 18812535
17 53970516
18 155098263
19 446456103
20 1287215347
21 3717084781
22 10750037534
23 31135125908
24 90302734611
25 262263047834
26 762667932842
27 2220610609034
28 6473281230694
29 18891595418225
30 55192784447111

[1,3,9,25,70,196,551,1552,4378,12375,35048,99449,
 282724,805270,2297862,6568973,18812535,53970516,
 155098263,446456103,1287215347,3717084781,
 10750037534,31135125908,90302734611,262263047834,
 762667932842,2220610609034,6473281230694,
 18891595418225,55192784447111]

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Last modified May 13 11:34 EDT 2024. Contains 372504 sequences. (Running on oeis4.)