A242413 - cp's OEIS frontend

A242413 Numbers in whose prime factorization the first differences of indices of distinct primes form a palindrome; fixed points of A242415.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	16
14	17
15	18
16	19
17	21
18	23
19	24
20	25
21	27
22	29
23	30
24	31
25	32
26	36
27	37
28	41
29	43
30	47
31	48
32	49
33	53
34	54
35	59
36	60
37	61
38	63
39	64
40	65
41	67
42	70
43	71
44	72
45	73
46	79
47	81
48	83
49	89
50	90
51	96
52	97
53	101
54	103
55	107
56	108
57	109
58	113
59	120
60	121
61	125
62	127
63	128
64	131
65	133
66	137
67	139
68	140
69	144

[1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 16, 17, 18, 19, 21, 23, 24, 25, 27, 29, 30, 31, 32, 36, 37, 41, 43, 47, 48, 49, 53, 54, 59, 60, 61, 63, 64, 65, 67, 70, 71, 72, 73, 79, 81, 83, 89, 90, 96, 97, 101, 103, 107, 108, 109, 113, 120, 121, 125, 127, 128, 131, 133, 137, 139, 140, 144]

cp's OEIS Frontend

A242413 Numbers in whose prime factorization the first differences of indices of distinct primes form a palindrome; fixed points of A242415.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	16
14	17
15	18
16	19
17	21
18	23
19	24
20	25
21	27
22	29
23	30
24	31
25	32
26	36
27	37
28	41
29	43
30	47
31	48
32	49
33	53
34	54
35	59
36	60
37	61
38	63
39	64
40	65
41	67
42	70
43	71
44	72
45	73
46	79
47	81
48	83
49	89
50	90
51	96
52	97
53	101
54	103
55	107
56	108
57	109
58	113
59	120
60	121
61	125
62	127
63	128
64	131
65	133
66	137
67	139
68	140
69	144

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	16
14	17
15	18
16	19
17	21
18	23
19	24
20	25
21	27
22	29
23	30
24	31
25	32
26	36
27	37
28	41
29	43
30	47
31	48
32	49
33	53
34	54
35	59
36	60
37	61
38	63
39	64
40	65
41	67
42	70
43	71
44	72
45	73
46	79
47	81
48	83
49	89
50	90
51	96
52	97
53	101
54	103
55	107
56	108
57	109
58	113
59	120
60	121
61	125
62	127
63	128
64	131
65	133
66	137
67	139
68	140
69	144

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	16
14	17
15	18
16	19
17	21
18	23
19	24
20	25
21	27
22	29
23	30
24	31
25	32
26	36
27	37
28	41
29	43
30	47
31	48
32	49
33	53
34	54
35	59
36	60
37	61
38	63
39	64
40	65
41	67
42	70
43	71
44	72
45	73
46	79
47	81
48	83
49	89
50	90
51	96
52	97
53	101
54	103
55	107
56	108
57	109
58	113
59	120
60	121
61	125
62	127
63	128
64	131
65	133
66	137
67	139
68	140
69	144