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A306609 as a simple table

n a(n)
0 0
1 15
2 465
3 11102
4 236997
5 4751010
6 91474890
7 1712391420
8 31398038701
9 566621243642
10 10097483539038
11 178113001428004
12 3115342162844450
13 54103694774702292
14 933929099838928692
15 16037182307150776056
16 274132978890654857853
17 4667160114821964359530
18 79177297937966956038102
19 1338972240005810710258452

[0,15,465,11102,236997,4751010,91474890,
 1712391420,31398038701,566621243642,
 10097483539038,178113001428004,3115342162844450,
 54103694774702292,933929099838928692,
 16037182307150776056,274132978890654857853,
 4667160114821964359530,79177297937966956038102,
 1338972240005810710258452]

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Last modified May 6 21:30 EDT 2024. Contains 372297 sequences. (Running on oeis4.)