A138863 - cp's OEIS frontend

A138863 Concatenation of first two digits and last two digits of n-th Mersenne prime A000668(n).

n	a(n)
1	33
2	77
3	3131
4	1227
5	8191
6	1371
7	5287
8	2147
9	2351
10	6111
11	1627
12	1727
13	6851
14	5327
15	1087
16	1407
17	4451
18	2571
19	1991
20	2807
21	4711
22	3451
23	2891
24	4371
25	4451
26	4011
27	8571
28	5307
29	5207
30	5111
31	7447
32	1787
33	1291
34	4127
35	8111
36	6251
37	1271
38	4391
39	9271
40	1247
41	2907
42	1247
43	3171
44	1271
45	2027
46	1651
47	3111

[33, 77, 3131, 1227, 8191, 1371, 5287, 2147, 2351, 6111, 1627, 1727, 6851, 5327, 1087, 1407, 4451, 2571, 1991, 2807, 4711, 3451, 2891, 4371, 4451, 4011, 8571, 5307, 5207, 5111, 7447, 1787, 1291, 4127, 8111, 6251, 1271, 4391, 9271, 1247, 2907, 1247, 3171, 1271, 2027, 1651, 3111]

cp's OEIS Frontend

A138863 Concatenation of first two digits and last two digits of n-th Mersenne prime A000668(n).

Table of values

List of values