A065069 - cp's OEIS frontend

A065069 Numbers n such that Fibonacci(n) is not squarefree, but for all proper divisors k of n, Fibonacci(k) is squarefree.

n	a(n)
1	6
2	25
3	56
4	91
5	110
6	153
7	406
8	703
9	752
10	820
11	915
12	979
13	1431
14	1892
15	2147
16	2701
17	2943
18	3029
19	3422
20	4378
21	4556
22	4753
23	4970
24	5513
25	6394
26	7868
27	8841
28	9453
29	10712
30	12403
31	13508
32	13546
33	15051
34	16256
35	17030
36	17267
37	18023
38	18721
39	19503
40	20827
41	21206

[6, 25, 56, 91, 110, 153, 406, 703, 752, 820, 915, 979, 1431, 1892, 2147, 2701, 2943, 3029, 3422, 4378, 4556, 4753, 4970, 5513, 6394, 7868, 8841, 9453, 10712, 12403, 13508, 13546, 15051, 16256, 17030, 17267, 18023, 18721, 19503, 20827, 21206]

cp's OEIS Frontend

A065069 Numbers n such that Fibonacci(n) is not squarefree, but for all proper divisors k of n, Fibonacci(k) is squarefree.

Table of values

List of values