A046861 - cp's OEIS frontend

A046861 Lower members of a "good pair" of the form (k, 2*k +- 1).

n	a(n)
1	1
2	7
3	11
4	31
5	41
6	49
7	109
8	127
9	139
10	143
11	151
12	173
13	179
14	203
15	217
16	397
17	491
18	511
19	521
20	539
21	547
22	589
23	599
24	683
25	749
26	803
27	929
28	989
29	2041
30	2047
31	2107
32	2153
33	2191
34	2219
35	2531
36	2693
37	2723
38	2761
39	2999
40	3661
41	3721
42	3739
43	6199
44	6923
45	7949

[1, 7, 11, 31, 41, 49, 109, 127, 139, 143, 151, 173, 179, 203, 217, 397, 491, 511, 521, 539, 547, 589, 599, 683, 749, 803, 929, 989, 2041, 2047, 2107, 2153, 2191, 2219, 2531, 2693, 2723, 2761, 2999, 3661, 3721, 3739, 6199, 6923, 7949]

cp's OEIS Frontend

A046861 Lower members of a "good pair" of the form (k, 2*k +- 1).

Table of values

List of values