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A219537 as a simple table

n a(n)
0 1
1 1
2 3
3 13
4 66
5 366
6 2148
7 13115
8 82449
9 530095
10 3469401
11 23037642
12 154820262
13 1050999343
14 7196493255
15 49644745965
16 344704716018
17 2407157839593
18 16895247295947
19 119121868831235
20 843306880720218
21 5992060655349521
22 42718501097385207
23 305476181765843358

[1,1,3,13,66,366,2148,13115,82449,530095,3469401,
 23037642,154820262,1050999343,7196493255,
 49644745965,344704716018,2407157839593,
 16895247295947,119121868831235,843306880720218,
 5992060655349521,42718501097385207,
 305476181765843358]

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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)