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A001448 as a simple table

n a(n)
0 1
1 6
2 70
3 924
4 12870
5 184756
6 2704156
7 40116600
8 601080390
9 9075135300
10 137846528820
11 2104098963720
12 32247603683100
13 495918532948104
14 7648690600760440
15 118264581564861424
16 1832624140942590534
17 28453041475240576740
18 442512540276836779204
19 6892620648693261354600

[1,6,70,924,12870,184756,2704156,40116600,
 601080390,9075135300,137846528820,2104098963720,
 32247603683100,495918532948104,7648690600760440,
 118264581564861424,1832624140942590534,
 28453041475240576740,442512540276836779204,
 6892620648693261354600]

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Last modified April 19 13:40 EDT 2024. Contains 371792 sequences. (Running on oeis4.)