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A134658 Triangle read by rows, giving coefficients of extended Jacobsthal recurrence.

Table of values

n a(n)
0 3
1 1
2 2
3 2
4 -1
5 2
6 3
7 -3
8 1
9 2
10 4
11 -6
12 4
13 -1
14 2
15 5
16 -10
17 10
18 -5
19 1
20 2
21 6
22 -15
23 20
24 -15
25 6
26 -1
27 2
28 7
29 -21
30 35
31 -35
32 21
33 -7
34 1
35 2
36 8
37 -28
38 56
39 -70
40 56
41 -28
42 8
43 -1
44 2
45 9
46 -36
47 84
48 -126
49 126
50 -84
51 36
52 -9
53 1
54 2
55 10
56 -45
57 120
58 -210
59 252
60 -210
61 120
62 -45
63 10
64 -1
65 2

List of values

[3, 1, 2, 2, -1, 2, 3, -3, 1, 2, 4, -6, 4, -1, 2, 5, -10, 10, -5, 1, 2, 6, -15, 20, -15, 6, -1, 2, 7, -21, 35, -35, 21, -7, 1, 2, 8, -28, 56, -70, 56, -28, 8, -1, 2, 9, -36, 84, -126, 126, -84, 36, -9, 1, 2, 10, -45, 120, -210, 252, -210, 120, -45, 10, -1, 2]