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A198305 as a simple table

n a(n)
1 1
2 3
3 7
4 19
5 51
6 159
7 519
8 1867
9 7234
10 30243
11 135125
12 642307
13 3231047
14 17138845
15 95554662
16 558384955
17 3411049542
18 21730279218
19 144048688538
20 991665854999
21 7077433997172
22 52283785492733
23 399238054300828
24 3147127294177099
25 25579801627862301
26 214139186144996635

[1,3,7,19,51,159,519,1867,7234,30243,135125,
 642307,3231047,17138845,95554662,558384955,
 3411049542,21730279218,144048688538,991665854999,
 7077433997172,52283785492733,399238054300828,
 3147127294177099,25579801627862301,
 214139186144996635]

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Last modified April 24 08:55 EDT 2024. Contains 371930 sequences. (Running on oeis4.)