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A160190 as a simple table

n a(n)
1 4
2 9
3 25
4 56
5 143
6 273
7 578
8 1045
9 2047
10 4176
11 7223
12 13949
13 25010
14 42441
15 75059
16 136952
17 246679
18 412665
19 733382
20 1257481
21 2091961
22 3663072
23 6227075
24 10803977
25 19052546
26 32098911
27 52965587
28 89028280
29 146743321
30 246148917
31 447621406

[4,9,25,56,143,273,578,1045,2047,4176,7223,13949,
 25010,42441,75059,136952,246679,412665,733382,
 1257481,2091961,3663072,6227075,10803977,19052546,
 32098911,52965587,89028280,146743321,246148917,
 447621406]

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Last modified February 16 18:53 EST 2019. Contains 320165 sequences. (Running on oeis4.)