A330617 - cp's OEIS frontend

A330617 Triangle read by rows: T(n,k) is the number of paths from node 0 to k in a directed graph with n+1 vertices labeled 0, 1, ..., n and edges leading from i to i+1 for all i, and from i to i+2 for even i and from i to i-2 for odd i.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	2
9	2
10	1
11	2
12	2
13	2
14	4
15	1
16	3
17	2
18	4
19	4
20	4
21	1
22	3
23	2
24	4
25	4
26	4
27	8
28	1
29	4
30	2
31	6
32	4
33	8
34	8
35	8
36	1
37	4
38	2
39	6
40	4
41	8
42	8
43	8
44	16
45	1
46	5
47	2
48	8
49	4
50	12
51	8
52	16
53	16
54	16
55	1
56	5
57	2
58	8
59	4
60	12
61	8
62	16
63	16
64	16
65	32
66	1
67	6
68	2
69	10
70	4
71	16
72	8
73	24
74	16
75	32
76	32
77	32
78	1
79	6
80	2
81	10
82	4
83	16
84	8
85	24
86	16
87	32
88	32
89	32
90	64

[1, 1, 1, 1, 1, 2, 1, 2, 2, 2, 1, 2, 2, 2, 4, 1, 3, 2, 4, 4, 4, 1, 3, 2, 4, 4, 4, 8, 1, 4, 2, 6, 4, 8, 8, 8, 1, 4, 2, 6, 4, 8, 8, 8, 16, 1, 5, 2, 8, 4, 12, 8, 16, 16, 16, 1, 5, 2, 8, 4, 12, 8, 16, 16, 16, 32, 1, 6, 2, 10, 4, 16, 8, 24, 16, 32, 32, 32, 1, 6, 2, 10, 4, 16, 8, 24, 16, 32, 32, 32, 64]

cp's OEIS Frontend

A330617 Triangle read by rows: T(n,k) is the number of paths from node 0 to k in a directed graph with n+1 vertices labeled 0, 1, ..., n and edges leading from i to i+1 for all i, and from i to i+2 for even i and from i to i-2 for odd i.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	2
9	2
10	1
11	2
12	2
13	2
14	4
15	1
16	3
17	2
18	4
19	4
20	4
21	1
22	3
23	2
24	4
25	4
26	4
27	8
28	1
29	4
30	2
31	6
32	4
33	8
34	8
35	8
36	1
37	4
38	2
39	6
40	4
41	8
42	8
43	8
44	16
45	1
46	5
47	2
48	8
49	4
50	12
51	8
52	16
53	16
54	16
55	1
56	5
57	2
58	8
59	4
60	12
61	8
62	16
63	16
64	16
65	32
66	1
67	6
68	2
69	10
70	4
71	16
72	8
73	24
74	16
75	32
76	32
77	32
78	1
79	6
80	2
81	10
82	4
83	16
84	8
85	24
86	16
87	32
88	32
89	32
90	64

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	2
9	2
10	1
11	2
12	2
13	2
14	4
15	1
16	3
17	2
18	4
19	4
20	4
21	1
22	3
23	2
24	4
25	4
26	4
27	8
28	1
29	4
30	2
31	6
32	4
33	8
34	8
35	8
36	1
37	4
38	2
39	6
40	4
41	8
42	8
43	8
44	16
45	1
46	5
47	2
48	8
49	4
50	12
51	8
52	16
53	16
54	16
55	1
56	5
57	2
58	8
59	4
60	12
61	8
62	16
63	16
64	16
65	32
66	1
67	6
68	2
69	10
70	4
71	16
72	8
73	24
74	16
75	32
76	32
77	32
78	1
79	6
80	2
81	10
82	4
83	16
84	8
85	24
86	16
87	32
88	32
89	32
90	64

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	2
9	2
10	1
11	2
12	2
13	2
14	4
15	1
16	3
17	2
18	4
19	4
20	4
21	1
22	3
23	2
24	4
25	4
26	4
27	8
28	1
29	4
30	2
31	6
32	4
33	8
34	8
35	8
36	1
37	4
38	2
39	6
40	4
41	8
42	8
43	8
44	16
45	1
46	5
47	2
48	8
49	4
50	12
51	8
52	16
53	16
54	16
55	1
56	5
57	2
58	8
59	4
60	12
61	8
62	16
63	16
64	16
65	32
66	1
67	6
68	2
69	10
70	4
71	16
72	8
73	24
74	16
75	32
76	32
77	32
78	1
79	6
80	2
81	10
82	4
83	16
84	8
85	24
86	16
87	32
88	32
89	32
90	64