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A261571 as a simple table

n a(n)
0 1
1 40
2 780
3 7528
4 47878
5 225044
6 830270
7 2459376
8 5900602
9 11555200
10 18634704
11 24942742
12 27836859
13 25913910
14 20053913
15 12815608
16 6699888
17 2829786
18 948729
19 245756
20 47150
21 6276
22 518
23 20

[1,40,780,7528,47878,225044,830270,2459376,
 5900602,11555200,18634704,24942742,27836859,
 25913910,20053913,12815608,6699888,2829786,948729,
 245756,47150,6276,518,20]

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Last modified April 18 10:01 EDT 2024. Contains 371779 sequences. (Running on oeis4.)