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A108985 as a simple table

n a(n)
0 1
1 4
2 11
3 27
4 66
5 161
6 389
7 940
8 2271
9 5483
10 13238
11 31961
12 77161
13 186284
14 449731
15 1085747
16 2621226
17 6328201
18 15277629
19 36883460
20 89044551
21 214972563
22 518989678
23 1252951921
24 3024893521
25 7302738964
26 17630371451
27 42563481867
28 102757335186

[1,4,11,27,66,161,389,940,2271,5483,13238,31961,
 77161,186284,449731,1085747,2621226,6328201,
 15277629,36883460,89044551,214972563,518989678,
 1252951921,3024893521,7302738964,17630371451,
 42563481867,102757335186]

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Last modified April 23 14:30 EDT 2024. Contains 371914 sequences. (Running on oeis4.)