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A172226 as a simple table

n a(n)
1 0
2 0
3 22
4 276
5 1474
6 5248
7 14690
8 35012
9 74326
10 144544
11 262398
12 450580
13 739002
14 1166176
15 1780714
16 2642948
17 3826670
18 5420992
19 7532326
20 10286484
21 13830898
22 18336960
23 24002482
24 31054276
25 39750854
26 50385248
27 63287950

[0,0,22,276,1474,5248,14690,35012,74326,144544,
 262398,450580,739002,1166176,1780714,2642948,
 3826670,5420992,7532326,10286484,13830898,
 18336960,24002482,31054276,39750854,50385248,
 63287950]

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)