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A259635 as a simple table

n a(n)
1 18
2 29
3 69
4 133
5 236
6 472
7 940
8 1781
9 3433
10 6725
11 13008
12 25088
13 48696
14 94445
15 182717
16 353893
17 685924
18 1328520
19 2572916
20 4984581
21 9656065
22 18703333
23 36229992
24 70182768
25 135948832
26 263342141
27 510120437
28 988149701
29 1914124956
30 3707828408

[18,29,69,133,236,472,940,1781,3433,6725,13008,
 25088,48696,94445,182717,353893,685924,1328520,
 2572916,4984581,9656065,18703333,36229992,
 70182768,135948832,263342141,510120437,988149701,
 1914124956,3707828408]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)