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A180148 as a simple table

n a(n)
0 2
1 5
2 17
3 56
4 185
5 611
6 2018
7 6665
8 22013
9 72704
10 240125
11 793079
12 2619362
13 8651165
14 28572857
15 94369736
16 311682065
17 1029415931
18 3399929858
19 11229205505
20 37087546373
21 122491844624
22 404563080245
23 1336181085359
24 4413106336322
25 14575500094325
26 48139606619297

[2,5,17,56,185,611,2018,6665,22013,72704,240125,
 793079,2619362,8651165,28572857,94369736,
 311682065,1029415931,3399929858,11229205505,
 37087546373,122491844624,404563080245,
 1336181085359,4413106336322,14575500094325,
 48139606619297]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)