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A373091 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 7
5 15
6 29
7 54
8 102
9 197
10 375
11 687
12 1226
13 2182
14 3885
15 6827
16 11757
17 19920
18 33339
19 55012
20 88980
21 140141
22 213535
23 311997
24 428578
25 527659
26 506451
27 118728
28 -1180673
29 -4546846
30 -12344870
31 -29279209
32 -64481947
33 -135339292
34 -274463246
35 -542210697
36 -1048748528
37 -1992459450

[1,1,1,3,7,15,29,54,102,197,375,687,1226,2182,
 3885,6827,11757,19920,33339,55012,88980,140141,
 213535,311997,428578,527659,506451,118728,
 -1180673,-4546846,-12344870,-29279209,-64481947,
 -135339292,-274463246,-542210697,-1048748528,
 -1992459450]

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Last modified July 29 22:36 EDT 2024. Contains 374734 sequences. (Running on oeis4.)