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A318640 as a simple table

n a(n)
1 1
2 8
3 64
4 704
5 8704
6 113536
7 1544192
8 21671936
9 311468032
10 4560963584
11 67807363072
12 1020767092736
13 15528671576064
14 238354043994112
15 3686842679427072
16 57411380912848896
17 899288363016650752
18 14160044430295826432
19 224000813601673707520
20 3558331523719659257856
21 56738516167544872632320
22 907803739948246687023104
23 14569894558284085117059072
24 234507206354840677339103232

[1,8,64,704,8704,113536,1544192,21671936,
 311468032,4560963584,67807363072,1020767092736,
 15528671576064,238354043994112,3686842679427072,
 57411380912848896,899288363016650752,
 14160044430295826432,224000813601673707520,
 3558331523719659257856,56738516167544872632320,
 907803739948246687023104,
 14569894558284085117059072,
 234507206354840677339103232]

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Last modified October 26 22:19 EDT 2021. Contains 348269 sequences. (Running on oeis4.)