A144432 - cp's OEIS frontend

A144432 Triangle, T(n, k), read by rows: T(n, k) = t(n, k)^2 - t(n, k) - 1, where t(n,k) = (m(n-k) + 1)t(n-1, k-1) + (mk - (m-1))t(n-1, k) and m = -1.

n	a(n)
1	-1
2	-1
3	-1
4	-1
5	-1
6	-1
7	-1
8	1
9	1
10	-1
11	-1
12	5
13	1
14	5
15	-1
16	-1
17	11
18	1
19	1
20	11
21	-1
22	-1
23	19
24	41
25	71
26	41
27	19
28	-1
29	-1
30	29
31	71
32	29
33	29
34	71
35	29
36	-1
37	-1
38	41
39	239
40	701
41	869
42	701
43	239
44	41
45	-1
46	-1
47	55
48	379
49	811
50	181
51	181
52	811
53	379
54	55
55	-1

[-1, -1, -1, -1, -1, -1, -1, 1, 1, -1, -1, 5, 1, 5, -1, -1, 11, 1, 1, 11, -1, -1, 19, 41, 71, 41, 19, -1, -1, 29, 71, 29, 29, 71, 29, -1, -1, 41, 239, 701, 869, 701, 239, 41, -1, -1, 55, 379, 811, 181, 181, 811, 379, 55, -1]

cp's OEIS Frontend

A144432 Triangle, T(n, k), read by rows: T(n, k) = t(n, k)^2 - t(n, k) - 1, where t(n,k) = (m(n-k) + 1)t(n-1, k-1) + (mk - (m-1))t(n-1, k) and m = -1.

Table of values

List of values

n	a(n)
1	-1
2	-1
3	-1
4	-1
5	-1
6	-1
7	-1
8	1
9	1
10	-1
11	-1
12	5
13	1
14	5
15	-1
16	-1
17	11
18	1
19	1
20	11
21	-1
22	-1
23	19
24	41
25	71
26	41
27	19
28	-1
29	-1
30	29
31	71
32	29
33	29
34	71
35	29
36	-1
37	-1
38	41
39	239
40	701
41	869
42	701
43	239
44	41
45	-1
46	-1
47	55
48	379
49	811
50	181
51	181
52	811
53	379
54	55
55	-1

n	a(n)
1	-1
2	-1
3	-1
4	-1
5	-1
6	-1
7	-1
8	1
9	1
10	-1
11	-1
12	5
13	1
14	5
15	-1
16	-1
17	11
18	1
19	1
20	11
21	-1
22	-1
23	19
24	41
25	71
26	41
27	19
28	-1
29	-1
30	29
31	71
32	29
33	29
34	71
35	29
36	-1
37	-1
38	41
39	239
40	701
41	869
42	701
43	239
44	41
45	-1
46	-1
47	55
48	379
49	811
50	181
51	181
52	811
53	379
54	55
55	-1

cp's OEIS Frontend

A144432 Triangle, T(n, k), read by rows: T(n, k) = t(n, k)^2 - t(n, k) - 1, where t(n,k) = (m*(n-k) + 1)*t(n-1, k-1) + (m*k - (m-1))*t(n-1, k) and m = -1.

Table of values

List of values

A144432 Triangle, T(n, k), read by rows: T(n, k) = t(n, k)^2 - t(n, k) - 1, where t(n,k) = (m(n-k) + 1)t(n-1, k-1) + (mk - (m-1))t(n-1, k) and m = -1.

n	a(n)
1	-1
2	-1
3	-1
4	-1
5	-1
6	-1
7	-1
8	1
9	1
10	-1
11	-1
12	5
13	1
14	5
15	-1
16	-1
17	11
18	1
19	1
20	11
21	-1
22	-1
23	19
24	41
25	71
26	41
27	19
28	-1
29	-1
30	29
31	71
32	29
33	29
34	71
35	29
36	-1
37	-1
38	41
39	239
40	701
41	869
42	701
43	239
44	41
45	-1
46	-1
47	55
48	379
49	811
50	181
51	181
52	811
53	379
54	55
55	-1