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A065971 as a simple table

n a(n)
1 1
2 3
3 9
4 25
5 60
6 135
7 304
8 695
9 1589
10 3570
11 7814
12 16673
13 34916
14 72431
15 150090
16 312277
17 653225
18 1371853
19 2885625
20 6067282
21 12738141
22 26696785
23 55860949
24 116712399
25 243483514
26 507073979
27 1053906817
28 2185668752
29 4523048269

[1,3,9,25,60,135,304,695,1589,3570,7814,16673,
 34916,72431,150090,312277,653225,1371853,2885625,
 6067282,12738141,26696785,55860949,116712399,
 243483514,507073979,1053906817,2185668752,
 4523048269]

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Last modified December 3 19:10 EST 2023. Contains 367540 sequences. (Running on oeis4.)