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A219970 as a simple table

n a(n)
0 1
1 1
2 2
3 8
4 21
5 65
6 267
7 804
8 2530
9 9407
10 29876
11 96530
12 337607
13 1100968
14 3612017
15 12284181
16 40538721
17 133971666
18 450045654
19 1492504271
20 4949649998
21 16537407509
22 54951656907
23 182545459254
24 608458757050
25 2023395434235
26 6727009100372
27 22399013790607

[1,1,2,8,21,65,267,804,2530,9407,29876,96530,
 337607,1100968,3612017,12284181,40538721,
 133971666,450045654,1492504271,4949649998,
 16537407509,54951656907,182545459254,608458757050,
 2023395434235,6727009100372,22399013790607]

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Last modified April 23 16:28 EDT 2024. Contains 371916 sequences. (Running on oeis4.)