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A335921 as a simple table

n a(n)
0 0
1 1
2 4
3 14
4 50
5 178
6 644
7 2347
8 8624
9 31908
10 118768
11 444308
12 1669560
13 6298280
14 23842032
15 90531032
16 344702646
17 1315726218
18 5033357852
19 19294463682
20 74099098212
21 285056401796
22 1098314920968
23 4237879802726
24 16373796107092
25 63341371265892
26 245315823125496

[0,1,4,14,50,178,644,2347,8624,31908,118768,
 444308,1669560,6298280,23842032,90531032,
 344702646,1315726218,5033357852,19294463682,
 74099098212,285056401796,1098314920968,
 4237879802726,16373796107092,63341371265892,
 245315823125496]

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Last modified May 17 19:01 EDT 2024. Contains 372603 sequences. (Running on oeis4.)