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A052909 as a simple table

n a(n)
0 1
1 5
2 16
3 49
4 148
5 445
6 1336
7 4009
8 12028
9 36085
10 108256
11 324769
12 974308
13 2922925
14 8768776
15 26306329
16 78918988
17 236756965
18 710270896
19 2130812689
20 6392438068
21 19177314205
22 57531942616
23 172595827849
24 517787483548
25 1553362450645

[1,5,16,49,148,445,1336,4009,12028,36085,108256,
 324769,974308,2922925,8768776,26306329,78918988,
 236756965,710270896,2130812689,6392438068,
 19177314205,57531942616,172595827849,517787483548,
 1553362450645]

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Last modified April 5 16:53 EDT 2020. Contains 333245 sequences. (Running on oeis4.)