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A179427 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 3420
7 576856
8 19760512
9 270487188
10 2209065700
11 12914201256
12 59659859232
13 231216019632
14 781647658596
15 2367858314700
16 6553746728448
17 16815788711212
18 40446802230372
19 92003239814224
20 199311860224800
21 413589922308360
22 825997764087012
23 1594007700404532
24 2982430581363072
25 5425904270482500
26 9622254525739492
27 16669554533555832
28 28264133502586912
29 46982453295836640
30 76676963241363300

[0,0,0,0,0,3420,576856,19760512,270487188,
 2209065700,12914201256,59659859232,231216019632,
 781647658596,2367858314700,6553746728448,
 16815788711212,40446802230372,92003239814224,
 199311860224800,413589922308360,825997764087012,
 1594007700404532,2982430581363072,
 5425904270482500,9622254525739492,
 16669554533555832,28264133502586912,
 46982453295836640,76676963241363300]

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)