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A292461 as a simple table

n a(n)
0 1
1 -1
2 -1
3 -1
4 -1
5 -2
6 -4
7 -8
8 -17
9 -37
10 -82
11 -185
12 -423
13 -978
14 -2283
15 -5373
16 -12735
17 -30372
18 -72832
19 -175502
20 -424748
21 -1032004
22 -2516347
23 -6155441
24 -15101701
25 -37150472
26 -91618049
27 -226460893
28 -560954047
29 -1392251012
30 -3461824644
31 -8622571758
32 -21511212261

[1,-1,-1,-1,-1,-2,-4,-8,-17,-37,-82,-185,-423,
 -978,-2283,-5373,-12735,-30372,-72832,-175502,
 -424748,-1032004,-2516347,-6155441,-15101701,
 -37150472,-91618049,-226460893,-560954047,
 -1392251012,-3461824644,-8622571758,-21511212261]

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Last modified April 24 13:56 EDT 2024. Contains 371958 sequences. (Running on oeis4.)