A216429 - cp's OEIS frontend

A216429 Numbers k such that the k-th Fibonacci number can be written in the form a^2 + 7*b^2.

n	a(n)
1	0
2	1
3	2
4	6
5	12
6	13
7	17
8	19
9	24
10	29
11	31
12	34
13	38
14	47
15	83
16	102
17	109
18	127
19	131
20	193
21	271
22	307
23	323
24	397
25	419
26	431
27	433
28	449
29	461
30	467
31	479
32	493
33	509
34	614
35	643
36	646
37	653
38	673
39	899
40	1069
41	1091
42	1346

[0, 1, 2, 6, 12, 13, 17, 19, 24, 29, 31, 34, 38, 47, 83, 102, 109, 127, 131, 193, 271, 307, 323, 397, 419, 431, 433, 449, 461, 467, 479, 493, 509, 614, 643, 646, 653, 673, 899, 1069, 1091, 1346]

cp's OEIS Frontend

A216429 Numbers k such that the k-th Fibonacci number can be written in the form a^2 + 7*b^2.

Table of values

List of values