A035163 - cp's OEIS frontend

A035163 Composite numbers k, not a power of 2, such that the E(k) == 1 (mod k), where E(k) is the k-th Euler number (A000364).

n	a(n)
1	15
2	91
3	289
4	319
5	435
6	561
7	692
8	703
9	1016
10	1105
11	1369
12	1495
13	1729
14	1885
15	1891
16	2105
17	2465
18	2701
19	2755
20	2821
21	3367
22	4371
23	5551
24	6409
25	6601
26	7456
27	8224
28	8569
29	8695
30	8911
31	9088
32	10585
33	10621
34	11305
35	11849
36	12121
37	12403
38	13981
39	14065
40	15051
41	15841
42	16471
43	17104

[15, 91, 289, 319, 435, 561, 692, 703, 1016, 1105, 1369, 1495, 1729, 1885, 1891, 2105, 2465, 2701, 2755, 2821, 3367, 4371, 5551, 6409, 6601, 7456, 8224, 8569, 8695, 8911, 9088, 10585, 10621, 11305, 11849, 12121, 12403, 13981, 14065, 15051, 15841, 16471, 17104]

cp's OEIS Frontend

A035163 Composite numbers k, not a power of 2, such that the E(k) == 1 (mod k), where E(k) is the k-th Euler number (A000364).

Table of values

List of values