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A153368 as a simple table

n a(n)
1 11
2 20
3 38
4 72
5 138
6 264
7 508
8 976
9 1882
10 3624
11 6996
12 13488
13 26054
14 50264
15 97124
16 187440
17 362250
18 699240
19 1351492
20 2609008
21 5042950
22 9735768
23 18818772
24 36332016
25 70229066
26 135588200
27 262091348
28 506012592
29 978124038
30 1888445784
31 3650380228

[11,20,38,72,138,264,508,976,1882,3624,6996,13488,
 26054,50264,97124,187440,362250,699240,1351492,
 2609008,5042950,9735768,18818772,36332016,
 70229066,135588200,262091348,506012592,978124038,
 1888445784,3650380228]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)