A359056 - cp's OEIS frontend

A359056 Numbers k >= 3 such that 1/d(k - 2) + 1/d(k - 1) + 1/d(k) is an integer, d(i) = A000005(i).

n	a(n)
1	3
2	8
3	15
4	23
5	39
6	59
7	159
8	179
9	383
10	503
11	543
12	719
13	879
14	1203
15	1319
16	1383
17	1439
18	1623
19	1823
20	2019
21	2559
22	2579
23	2859
24	2903
25	3063
26	3119
27	3779
28	4283
29	4359
30	4443
31	4679
32	4703
33	5079
34	5099
35	5583
36	5639
37	5703
38	5939
39	6339
40	6639
41	6663
42	6719
43	6999
44	7419
45	8223
46	8783
47	8819
48	9183
49	9663
50	9903
51	10079
52	10839

[3, 8, 15, 23, 39, 59, 159, 179, 383, 503, 543, 719, 879, 1203, 1319, 1383, 1439, 1623, 1823, 2019, 2559, 2579, 2859, 2903, 3063, 3119, 3779, 4283, 4359, 4443, 4679, 4703, 5079, 5099, 5583, 5639, 5703, 5939, 6339, 6639, 6663, 6719, 6999, 7419, 8223, 8783, 8819, 9183, 9663, 9903, 10079, 10839]

cp's OEIS Frontend

A359056 Numbers k >= 3 such that 1/d(k - 2) + 1/d(k - 1) + 1/d(k) is an integer, d(i) = A000005(i).

Table of values

List of values