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A325587 as a simple table

n a(n)
0 1
1 4
2 26
3 144
4 861
5 5300
6 33974
7 226716
8 1572134
9 11318196
10 84460828
11 652359324
12 5207769776
13 42909334344
14 364439847976
15 3186742207624
16 28656418042704
17 264722157073936
18 2509700822675234
19 24395793491141136
20 242936835660951240
21 2476311278424167804
22 25817877582760234776
23 275124609022178797944
24 2994612410107793787156
25 33272066553220515090708
26 377127538637173442895684
27 4358346743099457288466696

[1,4,26,144,861,5300,33974,226716,1572134,
 11318196,84460828,652359324,5207769776,
 42909334344,364439847976,3186742207624,
 28656418042704,264722157073936,2509700822675234,
 24395793491141136,242936835660951240,
 2476311278424167804,25817877582760234776,
 275124609022178797944,2994612410107793787156,
 33272066553220515090708,377127538637173442895684,
 4358346743099457288466696]

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Last modified September 2 22:15 EDT 2024. Contains 375617 sequences. (Running on oeis4.)