A355634 - cp's OEIS frontend

A355634 Irregular triangle T(n, k), n > 0, k = 1..A093640(n), read by rows; the n-th row contains in ascending order the divisors of n whose binary expansions appear as substrings in the binary expansion of n.

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

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

cp's OEIS Frontend

A355634 Irregular triangle T(n, k), n > 0, k = 1..A093640(n), read by rows; the n-th row contains in ascending order the divisors of n whose binary expansions appear as substrings in the binary expansion of n.

Table of values

List of values

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

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

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