A191579 - cp's OEIS frontend

A191579 Triangular array related to continued fractions of square root of (N^2 - 1) for N>1, apparently containing A004148 and summing to A091964.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	3
9	3
10	1
11	4
12	6
13	6
14	4
15	1
16	8
17	13
18	13
19	10
20	5
21	1
22	17
23	28
24	30
25	24
26	15
27	6
28	1
29	37
30	62
31	69
32	59
33	40
34	21
35	7
36	1
37	82
38	140
39	160
40	144
41	105
42	62
43	28
44	8
45	1
46	185
47	320
48	375
49	350
50	271
51	174
52	91
53	36
54	9
55	1
56	423
57	740
58	885
59	852
60	690
61	474
62	273
63	128
64	45
65	10
66	1

[1, 1, 1, 1, 2, 1, 2, 3, 3, 1, 4, 6, 6, 4, 1, 8, 13, 13, 10, 5, 1, 17, 28, 30, 24, 15, 6, 1, 37, 62, 69, 59, 40, 21, 7, 1, 82, 140, 160, 144, 105, 62, 28, 8, 1, 185, 320, 375, 350, 271, 174, 91, 36, 9, 1, 423, 740, 885, 852, 690, 474, 273, 128, 45, 10, 1]

cp's OEIS Frontend

A191579 Triangular array related to continued fractions of square root of (N^2 - 1) for N>1, apparently containing A004148 and summing to A091964.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	3
9	3
10	1
11	4
12	6
13	6
14	4
15	1
16	8
17	13
18	13
19	10
20	5
21	1
22	17
23	28
24	30
25	24
26	15
27	6
28	1
29	37
30	62
31	69
32	59
33	40
34	21
35	7
36	1
37	82
38	140
39	160
40	144
41	105
42	62
43	28
44	8
45	1
46	185
47	320
48	375
49	350
50	271
51	174
52	91
53	36
54	9
55	1
56	423
57	740
58	885
59	852
60	690
61	474
62	273
63	128
64	45
65	10
66	1

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	3
9	3
10	1
11	4
12	6
13	6
14	4
15	1
16	8
17	13
18	13
19	10
20	5
21	1
22	17
23	28
24	30
25	24
26	15
27	6
28	1
29	37
30	62
31	69
32	59
33	40
34	21
35	7
36	1
37	82
38	140
39	160
40	144
41	105
42	62
43	28
44	8
45	1
46	185
47	320
48	375
49	350
50	271
51	174
52	91
53	36
54	9
55	1
56	423
57	740
58	885
59	852
60	690
61	474
62	273
63	128
64	45
65	10
66	1

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	3
9	3
10	1
11	4
12	6
13	6
14	4
15	1
16	8
17	13
18	13
19	10
20	5
21	1
22	17
23	28
24	30
25	24
26	15
27	6
28	1
29	37
30	62
31	69
32	59
33	40
34	21
35	7
36	1
37	82
38	140
39	160
40	144
41	105
42	62
43	28
44	8
45	1
46	185
47	320
48	375
49	350
50	271
51	174
52	91
53	36
54	9
55	1
56	423
57	740
58	885
59	852
60	690
61	474
62	273
63	128
64	45
65	10
66	1