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A223105 as a simple table

n a(n)
1 0
2 6
3 24
4 225
5 1456
6 11874
7 86726
8 681306
9 5213490
10 40813074
11 318018986
12 2499530547
13 19657584586
14 155231158734
15 1227855690342
16 9736016121693
17 77325805291432
18 615206556468342
19 4901472503744342
20 39103441462583022 

[0,6,24,225,1456,11874,86726,681306,5213490,
 40813074,318018986,2499530547,19657584586,
 155231158734,1227855690342,9736016121693,
 77325805291432,615206556468342,4901472503744342,
 39103441462583022]

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Last modified April 25 10:43 EDT 2024. Contains 371967 sequences. (Running on oeis4.)