A256163 - cp's OEIS frontend

A256163 Odd numbers m such that for all 2^k < m the numbers m + 2^k, m - 2^k, m2^k + 1, and m2^k - 1 are composite, with k >= 1.

n	a(n)
1	1
2	7913
3	8923
4	24943
5	34009
6	35437
7	42533
8	52783
9	60113
10	83437
11	100727
12	105953
13	116437
14	120521
15	126631
16	132211
17	133241
18	137171
19	145589
20	164729
21	172331
22	181645
23	183671
24	192173
25	196633
26	199513
27	203069
28	204013
29	215113
30	215279
31	218503
32	220523
33	253519
34	254329
35	254587

[1, 7913, 8923, 24943, 34009, 35437, 42533, 52783, 60113, 83437, 100727, 105953, 116437, 120521, 126631, 132211, 133241, 137171, 145589, 164729, 172331, 181645, 183671, 192173, 196633, 199513, 203069, 204013, 215113, 215279, 218503, 220523, 253519, 254329, 254587]

cp's OEIS Frontend

A256163 Odd numbers m such that for all 2^k < m the numbers m + 2^k, m - 2^k, m2^k + 1, and m2^k - 1 are composite, with k >= 1.

Table of values

List of values

cp's OEIS Frontend

A256163 Odd numbers m such that for all 2^k < m the numbers m + 2^k, m - 2^k, m*2^k + 1, and m*2^k - 1 are composite, with k >= 1.

Table of values

List of values

A256163 Odd numbers m such that for all 2^k < m the numbers m + 2^k, m - 2^k, m2^k + 1, and m2^k - 1 are composite, with k >= 1.