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A166217 as a simple table

n a(n)
0 1
1 34
2 665
3 8865
4 76249
5 495985
6 2661967
7 11908924
8 46316901
9 161588843
10 510043341
11 1480441810
12 4011008946
13 10193915255
14 24508598458
15 56179164262
16 123191992504
17 259647495716
18 528503830704
19 1041183396446
20 1991316075404

[1,34,665,8865,76249,495985,2661967,11908924,
 46316901,161588843,510043341,1480441810,
 4011008946,10193915255,24508598458,56179164262,
 123191992504,259647495716,528503830704,
 1041183396446,1991316075404]

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Last modified February 1 19:49 EST 2023. Contains 359995 sequences. (Running on oeis4.)