A174793 - cp's OEIS frontend

A174793 Triangle read by rows: R(n,k) = n mod 2^Omega(k), where Omega( ) is number of prime divisors counted with multiplicity and 1 <= k <= n.

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	1
7	0
8	0
9	0
10	0
11	0
12	1
13	1
14	1
15	1
16	0
17	0
18	0
19	2
20	0
21	2
22	0
23	1
24	1
25	3
26	1
27	3
28	1
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	0
37	0
38	1
39	1
40	1
41	1
42	1
43	1
44	1
45	1
46	0
47	0
48	0
49	2
50	0
51	2
52	0
53	2
54	2
55	2
56	0
57	1
58	1
59	3
60	1
61	3
62	1
63	3
64	3
65	3
66	1
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	4
75	0
76	0
77	0
78	4
79	0
80	1
81	1
82	1
83	1
84	1
85	1
86	5
87	1
88	1
89	1
90	5
91	1
92	0
93	0
94	0
95	2
96	0
97	2
98	0
99	6
100	2
101	2
102	0
103	6
104	0
105	2

[0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 2, 0, 2, 0, 1, 1, 3, 1, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 2, 0, 2, 0, 2, 2, 2, 0, 1, 1, 3, 1, 3, 1, 3, 3, 3, 1, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 4, 0, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 5, 1, 0, 0, 0, 2, 0, 2, 0, 6, 2, 2, 0, 6, 0, 2]

cp's OEIS Frontend

A174793 Triangle read by rows: R(n,k) = n mod 2^Omega(k), where Omega( ) is number of prime divisors counted with multiplicity and 1 <= k <= n.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	1
7	0
8	0
9	0
10	0
11	0
12	1
13	1
14	1
15	1
16	0
17	0
18	0
19	2
20	0
21	2
22	0
23	1
24	1
25	3
26	1
27	3
28	1
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	0
37	0
38	1
39	1
40	1
41	1
42	1
43	1
44	1
45	1
46	0
47	0
48	0
49	2
50	0
51	2
52	0
53	2
54	2
55	2
56	0
57	1
58	1
59	3
60	1
61	3
62	1
63	3
64	3
65	3
66	1
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	4
75	0
76	0
77	0
78	4
79	0
80	1
81	1
82	1
83	1
84	1
85	1
86	5
87	1
88	1
89	1
90	5
91	1
92	0
93	0
94	0
95	2
96	0
97	2
98	0
99	6
100	2
101	2
102	0
103	6
104	0
105	2

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	1
7	0
8	0
9	0
10	0
11	0
12	1
13	1
14	1
15	1
16	0
17	0
18	0
19	2
20	0
21	2
22	0
23	1
24	1
25	3
26	1
27	3
28	1
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	0
37	0
38	1
39	1
40	1
41	1
42	1
43	1
44	1
45	1
46	0
47	0
48	0
49	2
50	0
51	2
52	0
53	2
54	2
55	2
56	0
57	1
58	1
59	3
60	1
61	3
62	1
63	3
64	3
65	3
66	1
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	4
75	0
76	0
77	0
78	4
79	0
80	1
81	1
82	1
83	1
84	1
85	1
86	5
87	1
88	1
89	1
90	5
91	1
92	0
93	0
94	0
95	2
96	0
97	2
98	0
99	6
100	2
101	2
102	0
103	6
104	0
105	2

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	1
7	0
8	0
9	0
10	0
11	0
12	1
13	1
14	1
15	1
16	0
17	0
18	0
19	2
20	0
21	2
22	0
23	1
24	1
25	3
26	1
27	3
28	1
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	0
37	0
38	1
39	1
40	1
41	1
42	1
43	1
44	1
45	1
46	0
47	0
48	0
49	2
50	0
51	2
52	0
53	2
54	2
55	2
56	0
57	1
58	1
59	3
60	1
61	3
62	1
63	3
64	3
65	3
66	1
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	4
75	0
76	0
77	0
78	4
79	0
80	1
81	1
82	1
83	1
84	1
85	1
86	5
87	1
88	1
89	1
90	5
91	1
92	0
93	0
94	0
95	2
96	0
97	2
98	0
99	6
100	2
101	2
102	0
103	6
104	0
105	2