A120115 - cp's OEIS frontend

A120115 Primes p that divide some Euler number E(k) for even k < p-1, but p does not divide E(p-1).

n	a(n)
1	19
2	31
3	43
4	47
5	67
6	71
7	79
8	139
9	223
10	251
11	263
12	307
13	311
14	359
15	379
16	419
17	463
18	491
19	563
20	571
21	587
22	619
23	691
24	739
25	751
26	811
27	887
28	907
29	967
30	971
31	983
32	1019
33	1031
34	1039
35	1051
36	1151
37	1163
38	1187
39	1223
40	1231
41	1279
42	1283
43	1291
44	1307
45	1319
46	1399
47	1423
48	1427
49	1439

[19, 31, 43, 47, 67, 71, 79, 139, 223, 251, 263, 307, 311, 359, 379, 419, 463, 491, 563, 571, 587, 619, 691, 739, 751, 811, 887, 907, 967, 971, 983, 1019, 1031, 1039, 1051, 1151, 1163, 1187, 1223, 1231, 1279, 1283, 1291, 1307, 1319, 1399, 1423, 1427, 1439]

cp's OEIS Frontend

A120115 Primes p that divide some Euler number E(k) for even k < p-1, but p does not divide E(p-1).

Table of values

List of values