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A331978 as a simple table

n a(n)
0 0
1 1
2 4
3 46
4 1114
5 46246
6 2933074
7 263817646
8 31943268634
9 5009616448246
10 987840438629794
11 239217148602642046
12 69790939492563608554
13 24143849395162438623046
14 9772368696995766705116914
15 4575221153658910691872135246
16 2453303387149157947685779986874

[0,1,4,46,1114,46246,2933074,263817646,
 31943268634,5009616448246,987840438629794,
 239217148602642046,69790939492563608554,
 24143849395162438623046,9772368696995766705116914,
 4575221153658910691872135246,
 2453303387149157947685779986874]

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Last modified March 29 08:51 EDT 2024. Contains 371268 sequences. (Running on oeis4.)