A268728 - cp's OEIS frontend

A268728 Square array A(row,col) = B(row,(2*col)-1), where B(p,2q-1) = 0 if gcd(p,2q-1) > 1, and A269158(p,q) otherwise. Array is read by descending antidiagonals as A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), ...

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

[0, 0, 1, 0, 2, 1, 0, 7, 0, 0, 0, 4, 3, 0, 1, 0, 13, 3, 0, 2, 0, 0, 14, 0, 0, 0, 0, 1, 0, 11, 1, 0, 2, 4, 0, 1, 0, 8, 1, 0, 1, 7, 7, 2, 1, 0, 25, 0, 0, 1, 0, 0, 7, 0, 0, 0, 26, 3, 0, 6, 15, 5, 4, 0, 0, 1, 0, 31, 3, 0, 0, 10, 3, 13, 4, 0, 2, 1, 0, 28, 0, 0, 6, 0, 2, 14, 0, 6, 0, 0, 1, 0, 21, 1, 0, 1, 26, 7, 11, 4, 12, 0, 3, 0, 0]

cp's OEIS Frontend

A268728 Square array A(row,col) = B(row,(2*col)-1), where B(p,2q-1) = 0 if gcd(p,2q-1) > 1, and A269158(p,q) otherwise. Array is read by descending antidiagonals as A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), ...

Table of values

List of values

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

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

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