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A282819 as a simple table

n a(n)
0 0
1 0
2 2
3 22
4 152
5 680
6 2270
7 6202
8 14672
9 31152
10 60810
11 110990
12 191752
13 316472
14 502502
15 771890
16 1152160
17 1677152
18 2387922
19 3333702
20 4572920
21 6174280
22 8217902
23 10796522
24 14016752
25 18000400
26 22885850
27 28829502
28 36007272
29 44616152
30 54875830
31 67030370
32 81349952

[0,0,2,22,152,680,2270,6202,14672,31152,60810,
 110990,191752,316472,502502,771890,1152160,
 1677152,2387922,3333702,4572920,6174280,8217902,
 10796522,14016752,18000400,22885850,28829502,
 36007272,44616152,54875830,67030370,81349952]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)