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A061982 as a simple table

n a(n)
0 0
1 0
2 3
3 17
4 66
5 222
6 701
7 2151
8 6516
9 19628
10 58983
11 177069
12 531350
13 1594218
14 4782849
15 14348771
16 43046568
17 129139992
18 387420299
19 1162261257
20 3486784170
21 10460352950
22 31381059333
23 94143178527
24 282429536156
25 847288609092

[0,0,3,17,66,222,701,2151,6516,19628,58983,177069,
 531350,1594218,4782849,14348771,43046568,
 129139992,387420299,1162261257,3486784170,
 10460352950,31381059333,94143178527,282429536156,
 847288609092]

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Last modified June 8 07:10 EDT 2024. Contains 373207 sequences. (Running on oeis4.)