A129518 - cp's OEIS frontend

A129518 Numbers k > 2 such that k divides (k-2)!! - 1 and (k-3)!! - 1.

n	a(n)
1	3
2	7
3	47
4	59
5	79
6	83
7	103
8	107
9	127
10	139
11	191
12	199
13	211
14	251
15	263
16	283
17	307
18	331
19	367
20	379
21	383
22	431
23	467
24	479
25	499
26	503
27	547
28	587
29	599
30	607
31	631
32	643
33	659
34	727
35	743
36	811
37	823
38	827
39	839
40	859
41	863
42	883
43	887
44	907
45	971
46	991
47	1087
48	1151
49	1163
50	1171
51	1259
52	1283

[3, 7, 47, 59, 79, 83, 103, 107, 127, 139, 191, 199, 211, 251, 263, 283, 307, 331, 367, 379, 383, 431, 467, 479, 499, 503, 547, 587, 599, 607, 631, 643, 659, 727, 743, 811, 823, 827, 839, 859, 863, 883, 887, 907, 971, 991, 1087, 1151, 1163, 1171, 1259, 1283]

cp's OEIS Frontend

A129518 Numbers k > 2 such that k divides (k-2)!! - 1 and (k-3)!! - 1.

Table of values

List of values