A299237 - cp's OEIS frontend

A299237 a(n) = the index m satisfying t(m) = reversal of t(n), where t(n) is the n-th {2,3}-power tower; see Comments.

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	6
7	7
8	9
9	8
10	10
11	11
12	15
13	13
14	19
15	12
16	16
17	21
18	31
19	14
20	20
21	17
22	23
23	22
24	32
25	25
26	33
27	27
28	39
29	43
30	63
31	18
32	24
33	26
34	34
35	35
36	47
37	51
38	67
39	28
40	40
41	44
42	64
43	29
44	41
45	45
46	65
47	36
48	48
49	52
50	68
51	37
52	49
53	53
54	69
55	55
56	79
57	87
58	127
59	71
60	95
61	103
62	135
63	30
64	42
65	46
66	66

[1, 2, 3, 5, 4, 6, 7, 9, 8, 10, 11, 15, 13, 19, 12, 16, 21, 31, 14, 20, 17, 23, 22, 32, 25, 33, 27, 39, 43, 63, 18, 24, 26, 34, 35, 47, 51, 67, 28, 40, 44, 64, 29, 41, 45, 65, 36, 48, 52, 68, 37, 49, 53, 69, 55, 79, 87, 127, 71, 95, 103, 135, 30, 42, 46, 66]

cp's OEIS Frontend

A299237 a(n) = the index m satisfying t(m) = reversal of t(n), where t(n) is the n-th {2,3}-power tower; see Comments.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	6
7	7
8	9
9	8
10	10
11	11
12	15
13	13
14	19
15	12
16	16
17	21
18	31
19	14
20	20
21	17
22	23
23	22
24	32
25	25
26	33
27	27
28	39
29	43
30	63
31	18
32	24
33	26
34	34
35	35
36	47
37	51
38	67
39	28
40	40
41	44
42	64
43	29
44	41
45	45
46	65
47	36
48	48
49	52
50	68
51	37
52	49
53	53
54	69
55	55
56	79
57	87
58	127
59	71
60	95
61	103
62	135
63	30
64	42
65	46
66	66

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	6
7	7
8	9
9	8
10	10
11	11
12	15
13	13
14	19
15	12
16	16
17	21
18	31
19	14
20	20
21	17
22	23
23	22
24	32
25	25
26	33
27	27
28	39
29	43
30	63
31	18
32	24
33	26
34	34
35	35
36	47
37	51
38	67
39	28
40	40
41	44
42	64
43	29
44	41
45	45
46	65
47	36
48	48
49	52
50	68
51	37
52	49
53	53
54	69
55	55
56	79
57	87
58	127
59	71
60	95
61	103
62	135
63	30
64	42
65	46
66	66

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	6
7	7
8	9
9	8
10	10
11	11
12	15
13	13
14	19
15	12
16	16
17	21
18	31
19	14
20	20
21	17
22	23
23	22
24	32
25	25
26	33
27	27
28	39
29	43
30	63
31	18
32	24
33	26
34	34
35	35
36	47
37	51
38	67
39	28
40	40
41	44
42	64
43	29
44	41
45	45
46	65
47	36
48	48
49	52
50	68
51	37
52	49
53	53
54	69
55	55
56	79
57	87
58	127
59	71
60	95
61	103
62	135
63	30
64	42
65	46
66	66