A108853 - cp's OEIS frontend

A108853 Indices of prime Knuth numbers; that is, integers n such that the n-th Knuth number is prime. Indices of primes in A007448.

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	10
7	11
8	12
9	15
10	16
11	17
12	18
13	28
14	29
15	30
16	40
17	41
18	42
19	64
20	65
21	66
22	67
23	68
24	69
25	70
26	71
27	72
28	73
29	74
30	75
31	76
32	77
33	78
34	121
35	122
36	123
37	124
38	125
39	126
40	136
41	137
42	138
43	159
44	160
45	161
46	162
47	190
48	191
49	192
50	202
51	203
52	204
53	205
54	206
55	207
56	208
57	209
58	210
59	211
60	212
61	213

[1, 2, 4, 5, 6, 10, 11, 12, 15, 16, 17, 18, 28, 29, 30, 40, 41, 42, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 121, 122, 123, 124, 125, 126, 136, 137, 138, 159, 160, 161, 162, 190, 191, 192, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213]

cp's OEIS Frontend

A108853 Indices of prime Knuth numbers; that is, integers n such that the n-th Knuth number is prime. Indices of primes in A007448.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	10
7	11
8	12
9	15
10	16
11	17
12	18
13	28
14	29
15	30
16	40
17	41
18	42
19	64
20	65
21	66
22	67
23	68
24	69
25	70
26	71
27	72
28	73
29	74
30	75
31	76
32	77
33	78
34	121
35	122
36	123
37	124
38	125
39	126
40	136
41	137
42	138
43	159
44	160
45	161
46	162
47	190
48	191
49	192
50	202
51	203
52	204
53	205
54	206
55	207
56	208
57	209
58	210
59	211
60	212
61	213

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	10
7	11
8	12
9	15
10	16
11	17
12	18
13	28
14	29
15	30
16	40
17	41
18	42
19	64
20	65
21	66
22	67
23	68
24	69
25	70
26	71
27	72
28	73
29	74
30	75
31	76
32	77
33	78
34	121
35	122
36	123
37	124
38	125
39	126
40	136
41	137
42	138
43	159
44	160
45	161
46	162
47	190
48	191
49	192
50	202
51	203
52	204
53	205
54	206
55	207
56	208
57	209
58	210
59	211
60	212
61	213

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	10
7	11
8	12
9	15
10	16
11	17
12	18
13	28
14	29
15	30
16	40
17	41
18	42
19	64
20	65
21	66
22	67
23	68
24	69
25	70
26	71
27	72
28	73
29	74
30	75
31	76
32	77
33	78
34	121
35	122
36	123
37	124
38	125
39	126
40	136
41	137
42	138
43	159
44	160
45	161
46	162
47	190
48	191
49	192
50	202
51	203
52	204
53	205
54	206
55	207
56	208
57	209
58	210
59	211
60	212
61	213