A367825 - cp's OEIS frontend

A367825 Array read by ascending antidiagonals: A(n, k) is the denominator of (R(n) - k)/(n + k), where R(n) is the digit reversal of n, with A(0, 0) = 1.

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

[1, 1, 1, 1, 1, 1, 1, 3, 3, 1, 1, 2, 1, 2, 1, 1, 5, 5, 5, 5, 1, 1, 3, 3, 1, 3, 3, 1, 1, 7, 7, 7, 7, 7, 7, 1, 1, 4, 2, 4, 1, 4, 2, 4, 1, 1, 9, 9, 3, 9, 9, 3, 9, 9, 1, 10, 5, 5, 5, 5, 1, 5, 5, 5, 5, 1, 1, 1, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 4, 6, 12, 2, 3, 6, 1, 6, 3, 2, 3, 6, 1]

cp's OEIS Frontend

A367825 Array read by ascending antidiagonals: A(n, k) is the denominator of (R(n) - k)/(n + k), where R(n) is the digit reversal of n, with A(0, 0) = 1.

Table of values

List of values

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

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

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