A180171 - cp's OEIS frontend

A180171 Triangle read by rows: R(n,k) is the number of k-reverses of n.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	4
13	6
14	4
15	1
16	1
17	5
18	4
19	10
20	5
21	1
22	1
23	6
24	9
25	12
26	15
27	6
28	1
29	1
30	7
31	9
32	19
33	15
34	21
35	7
36	1
37	1
38	8
39	10
40	24
41	30
42	20
43	28
44	8
45	1
46	1
47	9
48	12
49	36
50	26
51	54
52	28
53	36
54	9
55	1
56	1
57	10
58	15
59	40
60	50
61	60
62	70
63	40
64	45
65	10
66	1
67	1
68	11
69	13
70	53
71	50
72	108
73	70
74	106
75	39
76	55
77	11
78	1
79	1
80	12
81	18
82	60
83	75
84	120

[1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 6, 4, 1, 1, 5, 4, 10, 5, 1, 1, 6, 9, 12, 15, 6, 1, 1, 7, 9, 19, 15, 21, 7, 1, 1, 8, 10, 24, 30, 20, 28, 8, 1, 1, 9, 12, 36, 26, 54, 28, 36, 9, 1, 1, 10, 15, 40, 50, 60, 70, 40, 45, 10, 1, 1, 11, 13, 53, 50, 108, 70, 106, 39, 55, 11, 1, 1, 12, 18, 60, 75, 120]

cp's OEIS Frontend

A180171 Triangle read by rows: R(n,k) is the number of k-reverses of n.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	4
13	6
14	4
15	1
16	1
17	5
18	4
19	10
20	5
21	1
22	1
23	6
24	9
25	12
26	15
27	6
28	1
29	1
30	7
31	9
32	19
33	15
34	21
35	7
36	1
37	1
38	8
39	10
40	24
41	30
42	20
43	28
44	8
45	1
46	1
47	9
48	12
49	36
50	26
51	54
52	28
53	36
54	9
55	1
56	1
57	10
58	15
59	40
60	50
61	60
62	70
63	40
64	45
65	10
66	1
67	1
68	11
69	13
70	53
71	50
72	108
73	70
74	106
75	39
76	55
77	11
78	1
79	1
80	12
81	18
82	60
83	75
84	120

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	4
13	6
14	4
15	1
16	1
17	5
18	4
19	10
20	5
21	1
22	1
23	6
24	9
25	12
26	15
27	6
28	1
29	1
30	7
31	9
32	19
33	15
34	21
35	7
36	1
37	1
38	8
39	10
40	24
41	30
42	20
43	28
44	8
45	1
46	1
47	9
48	12
49	36
50	26
51	54
52	28
53	36
54	9
55	1
56	1
57	10
58	15
59	40
60	50
61	60
62	70
63	40
64	45
65	10
66	1
67	1
68	11
69	13
70	53
71	50
72	108
73	70
74	106
75	39
76	55
77	11
78	1
79	1
80	12
81	18
82	60
83	75
84	120

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	4
13	6
14	4
15	1
16	1
17	5
18	4
19	10
20	5
21	1
22	1
23	6
24	9
25	12
26	15
27	6
28	1
29	1
30	7
31	9
32	19
33	15
34	21
35	7
36	1
37	1
38	8
39	10
40	24
41	30
42	20
43	28
44	8
45	1
46	1
47	9
48	12
49	36
50	26
51	54
52	28
53	36
54	9
55	1
56	1
57	10
58	15
59	40
60	50
61	60
62	70
63	40
64	45
65	10
66	1
67	1
68	11
69	13
70	53
71	50
72	108
73	70
74	106
75	39
76	55
77	11
78	1
79	1
80	12
81	18
82	60
83	75
84	120