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A088655 as a simple table

n a(n)
1 4
2 14
3 55
4 205
5 777
6 2937
7 11118
8 42072
9 159220
10 602554
11 2280320
12 8629690
13 32658395
14 123593159
15 467728718
16 1770083028
17 6698741833
18 25350868523
19 95938394252
20 363071406534
21 1374015557281
22 5199855228676
23 19678448512407

[4,14,55,205,777,2937,11118,42072,159220,602554,
 2280320,8629690,32658395,123593159,467728718,
 1770083028,6698741833,25350868523,95938394252,
 363071406534,1374015557281,5199855228676,
 19678448512407]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)