A384226 - cp's OEIS frontend

A384226 Irregular triangle read by rows: T(n,k) is the sum of odd divisors in the k-th 2-dense sublist of divisors of n, with n >= 1, k >= 1.

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

[1, 1, 1, 3, 1, 1, 5, 4, 1, 7, 1, 1, 3, 9, 1, 5, 1, 11, 4, 1, 13, 1, 7, 1, 8, 15, 1, 1, 17, 13, 1, 19, 6, 1, 3, 7, 21, 1, 11, 1, 23, 4, 1, 5, 25, 1, 13, 1, 3, 9, 27, 8, 1, 29, 24, 1, 31, 1, 1, 3, 11, 33, 1, 17, 1, 12, 35, 13, 1, 37, 1, 19, 1, 3, 13, 39, 6, 1, 41, 32, 1, 43, 1, 11, 1, 32, 45, 1, 23, 1, 47, 4]

cp's OEIS Frontend

A384226 Irregular triangle read by rows: T(n,k) is the sum of odd divisors in the k-th 2-dense sublist of divisors of n, with n >= 1, k >= 1.

Table of values

List of values

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

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

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