A105822 - cp's OEIS frontend

A105822 For n > 2, a(n) > 0 not appeared previously is such that a(n-1)^2+4a(n-2)a(n) = d^2 is a minimal square, a(1)=1, a(2)=2.

n	a(n)
1	1
2	2
3	3
4	5
5	8
6	4
7	12
8	7
9	10
10	17
11	6
12	11
13	21
14	32
15	13
16	19
17	14
18	33
19	20
20	28
21	24
22	27
23	42
24	40
25	18
26	9
27	35
28	44
29	39
30	54
31	48
32	22
33	15
34	37
35	52
36	89
37	30
38	59
39	23
40	36
41	99
42	70
43	16
44	86
45	47
46	45
47	92
48	65
49	157
50	34
51	123
52	135
53	222
54	56
55	136
56	82
57	29
58	53
59	102
60	155
61	25
62	130
63	87
64	43
65	170
66	213
67	63
68	150
69	57

[1, 2, 3, 5, 8, 4, 12, 7, 10, 17, 6, 11, 21, 32, 13, 19, 14, 33, 20, 28, 24, 27, 42, 40, 18, 9, 35, 44, 39, 54, 48, 22, 15, 37, 52, 89, 30, 59, 23, 36, 99, 70, 16, 86, 47, 45, 92, 65, 157, 34, 123, 135, 222, 56, 136, 82, 29, 53, 102, 155, 25, 130, 87, 43, 170, 213, 63, 150, 57]

cp's OEIS Frontend

A105822 For n > 2, a(n) > 0 not appeared previously is such that a(n-1)^2+4a(n-2)a(n) = d^2 is a minimal square, a(1)=1, a(2)=2.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	8
6	4
7	12
8	7
9	10
10	17
11	6
12	11
13	21
14	32
15	13
16	19
17	14
18	33
19	20
20	28
21	24
22	27
23	42
24	40
25	18
26	9
27	35
28	44
29	39
30	54
31	48
32	22
33	15
34	37
35	52
36	89
37	30
38	59
39	23
40	36
41	99
42	70
43	16
44	86
45	47
46	45
47	92
48	65
49	157
50	34
51	123
52	135
53	222
54	56
55	136
56	82
57	29
58	53
59	102
60	155
61	25
62	130
63	87
64	43
65	170
66	213
67	63
68	150
69	57

n	a(n)
1	1
2	2
3	3
4	5
5	8
6	4
7	12
8	7
9	10
10	17
11	6
12	11
13	21
14	32
15	13
16	19
17	14
18	33
19	20
20	28
21	24
22	27
23	42
24	40
25	18
26	9
27	35
28	44
29	39
30	54
31	48
32	22
33	15
34	37
35	52
36	89
37	30
38	59
39	23
40	36
41	99
42	70
43	16
44	86
45	47
46	45
47	92
48	65
49	157
50	34
51	123
52	135
53	222
54	56
55	136
56	82
57	29
58	53
59	102
60	155
61	25
62	130
63	87
64	43
65	170
66	213
67	63
68	150
69	57

cp's OEIS Frontend

A105822 For n > 2, a(n) > 0 not appeared previously is such that a(n-1)^2+4*a(n-2)*a(n) = d^2 is a minimal square, a(1)=1, a(2)=2.

Table of values

List of values

A105822 For n > 2, a(n) > 0 not appeared previously is such that a(n-1)^2+4a(n-2)a(n) = d^2 is a minimal square, a(1)=1, a(2)=2.

n	a(n)
1	1
2	2
3	3
4	5
5	8
6	4
7	12
8	7
9	10
10	17
11	6
12	11
13	21
14	32
15	13
16	19
17	14
18	33
19	20
20	28
21	24
22	27
23	42
24	40
25	18
26	9
27	35
28	44
29	39
30	54
31	48
32	22
33	15
34	37
35	52
36	89
37	30
38	59
39	23
40	36
41	99
42	70
43	16
44	86
45	47
46	45
47	92
48	65
49	157
50	34
51	123
52	135
53	222
54	56
55	136
56	82
57	29
58	53
59	102
60	155
61	25
62	130
63	87
64	43
65	170
66	213
67	63
68	150
69	57