A093423 - cp's OEIS frontend

A093423 Consider the triangle whose first part is shown as an example in the entry A093422. If the n-th term of the triangle read by rows is a fraction then a(n) is the denominator of the fraction, otherwise a(n)=1.

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

[1, 1, 3, 1, 5, 1, 1, 7, 3, 5, 1, 9, 1, 7, 1, 1, 11, 1, 1, 1, 7, 1, 13, 3, 11, 5, 3, 1, 1, 15, 1, 13, 1, 11, 1, 1, 1, 17, 1, 5, 1, 13, 1, 11, 1, 1, 19, 3, 17, 1, 1, 7, 13, 1, 11, 1, 21, 1, 19, 1, 17, 1, 1, 1, 13, 1, 1, 23, 1, 7, 5, 19, 1, 17, 1, 1, 1, 13]

cp's OEIS Frontend

A093423 Consider the triangle whose first part is shown as an example in the entry A093422. If the n-th term of the triangle read by rows is a fraction then a(n) is the denominator of the fraction, otherwise a(n)=1.

Table of values

List of values

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

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

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