A130831 - cp's OEIS frontend

A130831 Irregular triangle read by rows: row(n) contains the first A001146(n) terms of A001316.

n	a(n)
1	1
2	2
3	1
4	2
5	2
6	4
7	1
8	2
9	2
10	4
11	2
12	4
13	4
14	8
15	2
16	4
17	4
18	8
19	4
20	8
21	8
22	16
23	1
24	2
25	2
26	4
27	2
28	4
29	4
30	8
31	2
32	4
33	4
34	8
35	4
36	8
37	8
38	16
39	2
40	4
41	4
42	8
43	4
44	8
45	8
46	16
47	4
48	8
49	8
50	16
51	8
52	16
53	16
54	32
55	2
56	4
57	4
58	8
59	4
60	8
61	8
62	16
63	4
64	8
65	8
66	16
67	8
68	16
69	16
70	32
71	4
72	8
73	8
74	16
75	8
76	16
77	16
78	32
79	8
80	16
81	16
82	32
83	16
84	32
85	32
86	64
87	2
88	4
89	4
90	8
91	4
92	8
93	8
94	16

[1, 2, 1, 2, 2, 4, 1, 2, 2, 4, 2, 4, 4, 8, 2, 4, 4, 8, 4, 8, 8, 16, 1, 2, 2, 4, 2, 4, 4, 8, 2, 4, 4, 8, 4, 8, 8, 16, 2, 4, 4, 8, 4, 8, 8, 16, 4, 8, 8, 16, 8, 16, 16, 32, 2, 4, 4, 8, 4, 8, 8, 16, 4, 8, 8, 16, 8, 16, 16, 32, 4, 8, 8, 16, 8, 16, 16, 32, 8, 16, 16, 32, 16, 32, 32, 64, 2, 4, 4, 8, 4, 8, 8, 16]

cp's OEIS Frontend

A130831 Irregular triangle read by rows: row(n) contains the first A001146(n) terms of A001316.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	2
5	2
6	4
7	1
8	2
9	2
10	4
11	2
12	4
13	4
14	8
15	2
16	4
17	4
18	8
19	4
20	8
21	8
22	16
23	1
24	2
25	2
26	4
27	2
28	4
29	4
30	8
31	2
32	4
33	4
34	8
35	4
36	8
37	8
38	16
39	2
40	4
41	4
42	8
43	4
44	8
45	8
46	16
47	4
48	8
49	8
50	16
51	8
52	16
53	16
54	32
55	2
56	4
57	4
58	8
59	4
60	8
61	8
62	16
63	4
64	8
65	8
66	16
67	8
68	16
69	16
70	32
71	4
72	8
73	8
74	16
75	8
76	16
77	16
78	32
79	8
80	16
81	16
82	32
83	16
84	32
85	32
86	64
87	2
88	4
89	4
90	8
91	4
92	8
93	8
94	16

n	a(n)
1	1
2	2
3	1
4	2
5	2
6	4
7	1
8	2
9	2
10	4
11	2
12	4
13	4
14	8
15	2
16	4
17	4
18	8
19	4
20	8
21	8
22	16
23	1
24	2
25	2
26	4
27	2
28	4
29	4
30	8
31	2
32	4
33	4
34	8
35	4
36	8
37	8
38	16
39	2
40	4
41	4
42	8
43	4
44	8
45	8
46	16
47	4
48	8
49	8
50	16
51	8
52	16
53	16
54	32
55	2
56	4
57	4
58	8
59	4
60	8
61	8
62	16
63	4
64	8
65	8
66	16
67	8
68	16
69	16
70	32
71	4
72	8
73	8
74	16
75	8
76	16
77	16
78	32
79	8
80	16
81	16
82	32
83	16
84	32
85	32
86	64
87	2
88	4
89	4
90	8
91	4
92	8
93	8
94	16

n	a(n)
1	1
2	2
3	1
4	2
5	2
6	4
7	1
8	2
9	2
10	4
11	2
12	4
13	4
14	8
15	2
16	4
17	4
18	8
19	4
20	8
21	8
22	16
23	1
24	2
25	2
26	4
27	2
28	4
29	4
30	8
31	2
32	4
33	4
34	8
35	4
36	8
37	8
38	16
39	2
40	4
41	4
42	8
43	4
44	8
45	8
46	16
47	4
48	8
49	8
50	16
51	8
52	16
53	16
54	32
55	2
56	4
57	4
58	8
59	4
60	8
61	8
62	16
63	4
64	8
65	8
66	16
67	8
68	16
69	16
70	32
71	4
72	8
73	8
74	16
75	8
76	16
77	16
78	32
79	8
80	16
81	16
82	32
83	16
84	32
85	32
86	64
87	2
88	4
89	4
90	8
91	4
92	8
93	8
94	16