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A034272 as a simple table

n a(n)
0 0
1 1
2 17
3 154
4 1066
5 6370
6 34748
7 178296
8 875976
9 4167669
10 19348175
11 88112310
12 395137470
13 1749894510
14 7669512840
15 33323053200
16 143720109360
17 615950596170
18 2625443201394
19 11137650267156
20 47051359045460
21 198038873490436
22 830820684414952

[0,1,17,154,1066,6370,34748,178296,875976,4167669,
 19348175,88112310,395137470,1749894510,7669512840,
 33323053200,143720109360,615950596170,
 2625443201394,11137650267156,47051359045460,
 198038873490436,830820684414952]

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Last modified February 25 06:46 EST 2020. Contains 332220 sequences. (Running on oeis4.)