A319846 - cp's OEIS frontend

A319846 Irregular triangle read by rows in which row n lists the odd divisors of n in decreasing order together with the even divisors of n in decreasing order.

n	a(n)
1	1
2	1
3	2
4	3
5	1
6	1
7	4
8	2
9	5
10	1
11	3
12	1
13	6
14	2
15	7
16	1
17	1
18	8
19	4
20	2
21	9
22	3
23	1
24	5
25	1
26	10
27	2
28	11
29	1
30	3
31	1
32	12
33	6
34	4
35	2
36	13
37	1
38	7
39	1
40	14
41	2
42	15
43	5
44	3
45	1
46	1
47	16
48	8
49	4
50	2
51	17
52	1
53	9
54	3
55	1
56	18
57	6
58	2
59	19
60	1
61	5
62	1
63	20
64	10
65	4
66	2
67	21
68	7
69	3
70	1
71	11
72	1
73	22
74	2
75	23
76	1
77	3
78	1
79	24
80	12
81	8
82	6
83	4
84	2
85	25
86	5
87	1
88	13
89	1
90	26
91	2
92	27
93	9
94	3
95	1

[1, 1, 2, 3, 1, 1, 4, 2, 5, 1, 3, 1, 6, 2, 7, 1, 1, 8, 4, 2, 9, 3, 1, 5, 1, 10, 2, 11, 1, 3, 1, 12, 6, 4, 2, 13, 1, 7, 1, 14, 2, 15, 5, 3, 1, 1, 16, 8, 4, 2, 17, 1, 9, 3, 1, 18, 6, 2, 19, 1, 5, 1, 20, 10, 4, 2, 21, 7, 3, 1, 11, 1, 22, 2, 23, 1, 3, 1, 24, 12, 8, 6, 4, 2, 25, 5, 1, 13, 1, 26, 2, 27, 9, 3, 1]

cp's OEIS Frontend

A319846 Irregular triangle read by rows in which row n lists the odd divisors of n in decreasing order together with the even divisors of n in decreasing order.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	3
5	1
6	1
7	4
8	2
9	5
10	1
11	3
12	1
13	6
14	2
15	7
16	1
17	1
18	8
19	4
20	2
21	9
22	3
23	1
24	5
25	1
26	10
27	2
28	11
29	1
30	3
31	1
32	12
33	6
34	4
35	2
36	13
37	1
38	7
39	1
40	14
41	2
42	15
43	5
44	3
45	1
46	1
47	16
48	8
49	4
50	2
51	17
52	1
53	9
54	3
55	1
56	18
57	6
58	2
59	19
60	1
61	5
62	1
63	20
64	10
65	4
66	2
67	21
68	7
69	3
70	1
71	11
72	1
73	22
74	2
75	23
76	1
77	3
78	1
79	24
80	12
81	8
82	6
83	4
84	2
85	25
86	5
87	1
88	13
89	1
90	26
91	2
92	27
93	9
94	3
95	1

n	a(n)
1	1
2	1
3	2
4	3
5	1
6	1
7	4
8	2
9	5
10	1
11	3
12	1
13	6
14	2
15	7
16	1
17	1
18	8
19	4
20	2
21	9
22	3
23	1
24	5
25	1
26	10
27	2
28	11
29	1
30	3
31	1
32	12
33	6
34	4
35	2
36	13
37	1
38	7
39	1
40	14
41	2
42	15
43	5
44	3
45	1
46	1
47	16
48	8
49	4
50	2
51	17
52	1
53	9
54	3
55	1
56	18
57	6
58	2
59	19
60	1
61	5
62	1
63	20
64	10
65	4
66	2
67	21
68	7
69	3
70	1
71	11
72	1
73	22
74	2
75	23
76	1
77	3
78	1
79	24
80	12
81	8
82	6
83	4
84	2
85	25
86	5
87	1
88	13
89	1
90	26
91	2
92	27
93	9
94	3
95	1

n	a(n)
1	1
2	1
3	2
4	3
5	1
6	1
7	4
8	2
9	5
10	1
11	3
12	1
13	6
14	2
15	7
16	1
17	1
18	8
19	4
20	2
21	9
22	3
23	1
24	5
25	1
26	10
27	2
28	11
29	1
30	3
31	1
32	12
33	6
34	4
35	2
36	13
37	1
38	7
39	1
40	14
41	2
42	15
43	5
44	3
45	1
46	1
47	16
48	8
49	4
50	2
51	17
52	1
53	9
54	3
55	1
56	18
57	6
58	2
59	19
60	1
61	5
62	1
63	20
64	10
65	4
66	2
67	21
68	7
69	3
70	1
71	11
72	1
73	22
74	2
75	23
76	1
77	3
78	1
79	24
80	12
81	8
82	6
83	4
84	2
85	25
86	5
87	1
88	13
89	1
90	26
91	2
92	27
93	9
94	3
95	1