A247505 - cp's OEIS frontend

A247505 Generalized Lucas numbers: square array A(n,k) read by antidiagonals, A(n,k)=(-1)^(k+1)k[x^k](-log((1+sum_{j=1..n}(-1)^(j+1)*x^j)^(-1))), (n>=0, k>=0).

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	1
8	1
9	0
10	0
11	1
12	3
13	1
14	0
15	0
16	1
17	3
18	4
19	1
20	0
21	0
22	1
23	3
24	7
25	7
26	1
27	0
28	0
29	1
30	3
31	7
32	11
33	11
34	1
35	0
36	0
37	1
38	3
39	7
40	15
41	21
42	18
43	1
44	0
45	0
46	1
47	3
48	7
49	15
50	26
51	39
52	29
53	1
54	0
55	0
56	1
57	3
58	7
59	15
60	31
61	51
62	71
63	47
64	1
65	0
66	0
67	1
68	3
69	7
70	15
71	31
72	57
73	99
74	131
75	76
76	1
77	0

[0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 3, 1, 0, 0, 1, 3, 4, 1, 0, 0, 1, 3, 7, 7, 1, 0, 0, 1, 3, 7, 11, 11, 1, 0, 0, 1, 3, 7, 15, 21, 18, 1, 0, 0, 1, 3, 7, 15, 26, 39, 29, 1, 0, 0, 1, 3, 7, 15, 31, 51, 71, 47, 1, 0, 0, 1, 3, 7, 15, 31, 57, 99, 131, 76, 1, 0]

cp's OEIS Frontend

A247505 Generalized Lucas numbers: square array A(n,k) read by antidiagonals, A(n,k)=(-1)^(k+1)k[x^k](-log((1+sum_{j=1..n}(-1)^(j+1)*x^j)^(-1))), (n>=0, k>=0).

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	1
8	1
9	0
10	0
11	1
12	3
13	1
14	0
15	0
16	1
17	3
18	4
19	1
20	0
21	0
22	1
23	3
24	7
25	7
26	1
27	0
28	0
29	1
30	3
31	7
32	11
33	11
34	1
35	0
36	0
37	1
38	3
39	7
40	15
41	21
42	18
43	1
44	0
45	0
46	1
47	3
48	7
49	15
50	26
51	39
52	29
53	1
54	0
55	0
56	1
57	3
58	7
59	15
60	31
61	51
62	71
63	47
64	1
65	0
66	0
67	1
68	3
69	7
70	15
71	31
72	57
73	99
74	131
75	76
76	1
77	0

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	1
8	1
9	0
10	0
11	1
12	3
13	1
14	0
15	0
16	1
17	3
18	4
19	1
20	0
21	0
22	1
23	3
24	7
25	7
26	1
27	0
28	0
29	1
30	3
31	7
32	11
33	11
34	1
35	0
36	0
37	1
38	3
39	7
40	15
41	21
42	18
43	1
44	0
45	0
46	1
47	3
48	7
49	15
50	26
51	39
52	29
53	1
54	0
55	0
56	1
57	3
58	7
59	15
60	31
61	51
62	71
63	47
64	1
65	0
66	0
67	1
68	3
69	7
70	15
71	31
72	57
73	99
74	131
75	76
76	1
77	0

cp's OEIS Frontend

A247505 Generalized Lucas numbers: square array A(n,k) read by antidiagonals, A(n,k)=(-1)^(k+1)*k*[x^k](-log((1+sum_{j=1..n}(-1)^(j+1)*x^j)^(-1))), (n>=0, k>=0).

Table of values

List of values

A247505 Generalized Lucas numbers: square array A(n,k) read by antidiagonals, A(n,k)=(-1)^(k+1)k[x^k](-log((1+sum_{j=1..n}(-1)^(j+1)*x^j)^(-1))), (n>=0, k>=0).

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	1
8	1
9	0
10	0
11	1
12	3
13	1
14	0
15	0
16	1
17	3
18	4
19	1
20	0
21	0
22	1
23	3
24	7
25	7
26	1
27	0
28	0
29	1
30	3
31	7
32	11
33	11
34	1
35	0
36	0
37	1
38	3
39	7
40	15
41	21
42	18
43	1
44	0
45	0
46	1
47	3
48	7
49	15
50	26
51	39
52	29
53	1
54	0
55	0
56	1
57	3
58	7
59	15
60	31
61	51
62	71
63	47
64	1
65	0
66	0
67	1
68	3
69	7
70	15
71	31
72	57
73	99
74	131
75	76
76	1
77	0