A372050 - cp's OEIS frontend

A372050 The index of the largest Fibonacci number that divides the sum of Fibonacci numbers with indices 1 through A000217(n) (the n-th triangular number).

n	a(n)
1	2
2	3
3	5
4	7
5	8
6	12
7	14
8	18
9	24
10	28
11	35
12	41
13	46
14	54
15	60
16	68
17	78
18	89
19	97
20	107
21	116
22	128
23	138
24	150
25	164
26	176
27	191
28	205
29	218
30	234
31	248
32	264
33	282
34	298
35	317
36	335
37	352
38	372
39	390
40	410
41	432
42	452
43	475
44	497
45	518
46	542
47	564
48	588
49	614
50	638
51	665
52	691
53	716
54	744
55	770
56	798
57	828
58	856
59	887
60	917
61	946
62	978

[2, 3, 5, 7, 8, 12, 14, 18, 24, 28, 35, 41, 46, 54, 60, 68, 78, 89, 97, 107, 116, 128, 138, 150, 164, 176, 191, 205, 218, 234, 248, 264, 282, 298, 317, 335, 352, 372, 390, 410, 432, 452, 475, 497, 518, 542, 564, 588, 614, 638, 665, 691, 716, 744, 770, 798, 828, 856, 887, 917, 946, 978]

cp's OEIS Frontend

A372050 The index of the largest Fibonacci number that divides the sum of Fibonacci numbers with indices 1 through A000217(n) (the n-th triangular number).

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	8
6	12
7	14
8	18
9	24
10	28
11	35
12	41
13	46
14	54
15	60
16	68
17	78
18	89
19	97
20	107
21	116
22	128
23	138
24	150
25	164
26	176
27	191
28	205
29	218
30	234
31	248
32	264
33	282
34	298
35	317
36	335
37	352
38	372
39	390
40	410
41	432
42	452
43	475
44	497
45	518
46	542
47	564
48	588
49	614
50	638
51	665
52	691
53	716
54	744
55	770
56	798
57	828
58	856
59	887
60	917
61	946
62	978

n	a(n)
1	2
2	3
3	5
4	7
5	8
6	12
7	14
8	18
9	24
10	28
11	35
12	41
13	46
14	54
15	60
16	68
17	78
18	89
19	97
20	107
21	116
22	128
23	138
24	150
25	164
26	176
27	191
28	205
29	218
30	234
31	248
32	264
33	282
34	298
35	317
36	335
37	352
38	372
39	390
40	410
41	432
42	452
43	475
44	497
45	518
46	542
47	564
48	588
49	614
50	638
51	665
52	691
53	716
54	744
55	770
56	798
57	828
58	856
59	887
60	917
61	946
62	978

n	a(n)
1	2
2	3
3	5
4	7
5	8
6	12
7	14
8	18
9	24
10	28
11	35
12	41
13	46
14	54
15	60
16	68
17	78
18	89
19	97
20	107
21	116
22	128
23	138
24	150
25	164
26	176
27	191
28	205
29	218
30	234
31	248
32	264
33	282
34	298
35	317
36	335
37	352
38	372
39	390
40	410
41	432
42	452
43	475
44	497
45	518
46	542
47	564
48	588
49	614
50	638
51	665
52	691
53	716
54	744
55	770
56	798
57	828
58	856
59	887
60	917
61	946
62	978