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A305525 as a simple table

n a(n)
1 4
2 30
3 161
4 880
5 4779
6 26000
7 141474
8 769617
9 4187055
10 22779608
11 123930190
12 674233423
13 3668120119
14 19956134787
15 108569904387
16 590666693724
17 3213479157579
18 17482699850936
19 95113358094319
20 517457311408764

[4,30,161,880,4779,26000,141474,769617,4187055,
 22779608,123930190,674233423,3668120119,
 19956134787,108569904387,590666693724,
 3213479157579,17482699850936,95113358094319,
 517457311408764]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)