A138862 - cp's OEIS frontend

A138862 First two (i.e., the two most significant) digits of n-th Mersenne prime A000668(n).

n	a(n)
1	3
2	7
3	31
4	12
5	81
6	13
7	52
8	21
9	23
10	61
11	16
12	17
13	68
14	53
15	10
16	14
17	44
18	25
19	19
20	28
21	47
22	34
23	28
24	43
25	44
26	40
27	85
28	53
29	52
30	51
31	74
32	17
33	12
34	41
35	81
36	62
37	12
38	43
39	92
40	12
41	29
42	12
43	31
44	12
45	20
46	16
47	31

[3, 7, 31, 12, 81, 13, 52, 21, 23, 61, 16, 17, 68, 53, 10, 14, 44, 25, 19, 28, 47, 34, 28, 43, 44, 40, 85, 53, 52, 51, 74, 17, 12, 41, 81, 62, 12, 43, 92, 12, 29, 12, 31, 12, 20, 16, 31]

cp's OEIS Frontend

A138862 First two (i.e., the two most significant) digits of n-th Mersenne prime A000668(n).

Table of values

List of values

n	a(n)
1	3
2	7
3	31
4	12
5	81
6	13
7	52
8	21
9	23
10	61
11	16
12	17
13	68
14	53
15	10
16	14
17	44
18	25
19	19
20	28
21	47
22	34
23	28
24	43
25	44
26	40
27	85
28	53
29	52
30	51
31	74
32	17
33	12
34	41
35	81
36	62
37	12
38	43
39	92
40	12
41	29
42	12
43	31
44	12
45	20
46	16
47	31

n	a(n)
1	3
2	7
3	31
4	12
5	81
6	13
7	52
8	21
9	23
10	61
11	16
12	17
13	68
14	53
15	10
16	14
17	44
18	25
19	19
20	28
21	47
22	34
23	28
24	43
25	44
26	40
27	85
28	53
29	52
30	51
31	74
32	17
33	12
34	41
35	81
36	62
37	12
38	43
39	92
40	12
41	29
42	12
43	31
44	12
45	20
46	16
47	31

n	a(n)
1	3
2	7
3	31
4	12
5	81
6	13
7	52
8	21
9	23
10	61
11	16
12	17
13	68
14	53
15	10
16	14
17	44
18	25
19	19
20	28
21	47
22	34
23	28
24	43
25	44
26	40
27	85
28	53
29	52
30	51
31	74
32	17
33	12
34	41
35	81
36	62
37	12
38	43
39	92
40	12
41	29
42	12
43	31
44	12
45	20
46	16
47	31