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A060309 as a simple table

n a(n)
1 1
2 0
3 0
4 0
5 0
6 115
7 0
8 452
9 4874
10 17461
11 7062
12 19696950
13 50610
14 242341439
15 114877883680
16 481832564850
17 8919335150
18 1461959530725195586
19 8116326631140
20 13054135924822447372
21 72385602091336704890
22 115013510658268698717
23 1127506827209663824722

[1,0,0,0,0,115,0,452,4874,17461,7062,19696950,
 50610,242341439,114877883680,481832564850,
 8919335150,1461959530725195586,8116326631140,
 13054135924822447372,72385602091336704890,
 115013510658268698717,1127506827209663824722]

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Last modified May 13 01:02 EDT 2024. Contains 372497 sequences. (Running on oeis4.)