A291940 - cp's OEIS frontend

A291940 Triangle read by rows: T(n,k) = T(n-k,k-1) - 2*T(n-k,k) + T(n-k,k+1) with T(0,0) = 1 for 0 <= k <= A003056(n).

n	a(n)
0	1
1	0
2	1
3	0
4	-2
5	0
6	4
7	1
8	0
9	-7
10	-2
11	0
12	12
13	2
14	0
15	-22
16	-3
17	1
18	0
19	41
20	8
21	-2
22	0
23	-74
24	-15
25	2
26	0
27	133
28	23
29	-5
30	0
31	-243
32	-42
33	12
34	1
35	0
36	444
37	82
38	-19
39	-2
40	0
41	-806
42	-147
43	33
44	2
45	0
46	1465
47	261
48	-65
49	-5
50	0
51	-2669
52	-479
53	118
54	10
55	0
56	4859
57	878
58	-211
59	-15
60	1
61	0
62	-8840
63	-1593
64	386

[1, 0, 1, 0, -2, 0, 4, 1, 0, -7, -2, 0, 12, 2, 0, -22, -3, 1, 0, 41, 8, -2, 0, -74, -15, 2, 0, 133, 23, -5, 0, -243, -42, 12, 1, 0, 444, 82, -19, -2, 0, -806, -147, 33, 2, 0, 1465, 261, -65, -5, 0, -2669, -479, 118, 10, 0, 4859, 878, -211, -15, 1, 0, -8840, -1593, 386]

cp's OEIS Frontend

A291940 Triangle read by rows: T(n,k) = T(n-k,k-1) - 2*T(n-k,k) + T(n-k,k+1) with T(0,0) = 1 for 0 <= k <= A003056(n).

Table of values

List of values