A140971 - cp's OEIS frontend

A140971 Numbers k such that arithmetic mean of squares of the first k nonzero Fibonacci numbers is an integer.

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	12
7	13
8	15
9	17
10	23
11	24
12	25
13	36
14	37
15	43
16	47
17	48
18	50
19	53
20	60
21	67
22	72
23	73
24	75
25	83
26	96
27	97
28	103
29	107
30	108
31	110
32	113
33	120
34	125
35	127
36	137
37	144
38	157
39	163
40	167
41	168
42	170
43	173
44	175
45	180
46	192
47	193
48	195
49	197
50	216
51	223
52	227
53	233
54	240
55	257
56	263
57	277
58	283
59	288
60	293

[1, 2, 3, 5, 7, 12, 13, 15, 17, 23, 24, 25, 36, 37, 43, 47, 48, 50, 53, 60, 67, 72, 73, 75, 83, 96, 97, 103, 107, 108, 110, 113, 120, 125, 127, 137, 144, 157, 163, 167, 168, 170, 173, 175, 180, 192, 193, 195, 197, 216, 223, 227, 233, 240, 257, 263, 277, 283, 288, 293]

cp's OEIS Frontend

A140971 Numbers k such that arithmetic mean of squares of the first k nonzero Fibonacci numbers is an integer.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	12
7	13
8	15
9	17
10	23
11	24
12	25
13	36
14	37
15	43
16	47
17	48
18	50
19	53
20	60
21	67
22	72
23	73
24	75
25	83
26	96
27	97
28	103
29	107
30	108
31	110
32	113
33	120
34	125
35	127
36	137
37	144
38	157
39	163
40	167
41	168
42	170
43	173
44	175
45	180
46	192
47	193
48	195
49	197
50	216
51	223
52	227
53	233
54	240
55	257
56	263
57	277
58	283
59	288
60	293

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	12
7	13
8	15
9	17
10	23
11	24
12	25
13	36
14	37
15	43
16	47
17	48
18	50
19	53
20	60
21	67
22	72
23	73
24	75
25	83
26	96
27	97
28	103
29	107
30	108
31	110
32	113
33	120
34	125
35	127
36	137
37	144
38	157
39	163
40	167
41	168
42	170
43	173
44	175
45	180
46	192
47	193
48	195
49	197
50	216
51	223
52	227
53	233
54	240
55	257
56	263
57	277
58	283
59	288
60	293

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	12
7	13
8	15
9	17
10	23
11	24
12	25
13	36
14	37
15	43
16	47
17	48
18	50
19	53
20	60
21	67
22	72
23	73
24	75
25	83
26	96
27	97
28	103
29	107
30	108
31	110
32	113
33	120
34	125
35	127
36	137
37	144
38	157
39	163
40	167
41	168
42	170
43	173
44	175
45	180
46	192
47	193
48	195
49	197
50	216
51	223
52	227
53	233
54	240
55	257
56	263
57	277
58	283
59	288
60	293