A268132 - cp's OEIS frontend

A268132 If a(n) is a square (and n > 1), then a(n+1) = a(n) + a(n-1), else a(n+1) is the smallest positive integer not occurring earlier.

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	5
7	6
8	8
9	9
10	17
11	10
12	11
13	12
14	13
15	14
16	15
17	16
18	31
19	18
20	19
21	20
22	21
23	22
24	23
25	24
26	25
27	49
28	74
29	26
30	27
31	28
32	29
33	30
34	32
35	33
36	34
37	35
38	36
39	71
40	37
41	38
42	39
43	40
44	41
45	42
46	43
47	44
48	45
49	46
50	47
51	48
52	50
53	51
54	52
55	53
56	54
57	55
58	56
59	57
60	58
61	59
62	60
63	61
64	62
65	63
66	64
67	127
68	65
69	66
70	67
71	68
72	69
73	70
74	72
75	73
76	75
77	76
78	77
79	78
80	79
81	80
82	81
83	161

[1, 2, 3, 4, 7, 5, 6, 8, 9, 17, 10, 11, 12, 13, 14, 15, 16, 31, 18, 19, 20, 21, 22, 23, 24, 25, 49, 74, 26, 27, 28, 29, 30, 32, 33, 34, 35, 36, 71, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 127, 65, 66, 67, 68, 69, 70, 72, 73, 75, 76, 77, 78, 79, 80, 81, 161]

cp's OEIS Frontend

A268132 If a(n) is a square (and n > 1), then a(n+1) = a(n) + a(n-1), else a(n+1) is the smallest positive integer not occurring earlier.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	5
7	6
8	8
9	9
10	17
11	10
12	11
13	12
14	13
15	14
16	15
17	16
18	31
19	18
20	19
21	20
22	21
23	22
24	23
25	24
26	25
27	49
28	74
29	26
30	27
31	28
32	29
33	30
34	32
35	33
36	34
37	35
38	36
39	71
40	37
41	38
42	39
43	40
44	41
45	42
46	43
47	44
48	45
49	46
50	47
51	48
52	50
53	51
54	52
55	53
56	54
57	55
58	56
59	57
60	58
61	59
62	60
63	61
64	62
65	63
66	64
67	127
68	65
69	66
70	67
71	68
72	69
73	70
74	72
75	73
76	75
77	76
78	77
79	78
80	79
81	80
82	81
83	161

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	5
7	6
8	8
9	9
10	17
11	10
12	11
13	12
14	13
15	14
16	15
17	16
18	31
19	18
20	19
21	20
22	21
23	22
24	23
25	24
26	25
27	49
28	74
29	26
30	27
31	28
32	29
33	30
34	32
35	33
36	34
37	35
38	36
39	71
40	37
41	38
42	39
43	40
44	41
45	42
46	43
47	44
48	45
49	46
50	47
51	48
52	50
53	51
54	52
55	53
56	54
57	55
58	56
59	57
60	58
61	59
62	60
63	61
64	62
65	63
66	64
67	127
68	65
69	66
70	67
71	68
72	69
73	70
74	72
75	73
76	75
77	76
78	77
79	78
80	79
81	80
82	81
83	161

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	5
7	6
8	8
9	9
10	17
11	10
12	11
13	12
14	13
15	14
16	15
17	16
18	31
19	18
20	19
21	20
22	21
23	22
24	23
25	24
26	25
27	49
28	74
29	26
30	27
31	28
32	29
33	30
34	32
35	33
36	34
37	35
38	36
39	71
40	37
41	38
42	39
43	40
44	41
45	42
46	43
47	44
48	45
49	46
50	47
51	48
52	50
53	51
54	52
55	53
56	54
57	55
58	56
59	57
60	58
61	59
62	60
63	61
64	62
65	63
66	64
67	127
68	65
69	66
70	67
71	68
72	69
73	70
74	72
75	73
76	75
77	76
78	77
79	78
80	79
81	80
82	81
83	161