A299238 - cp's OEIS frontend

A299238 a(n) = the index m satisfying t(m) = 5 - t(n), where t(n) is the n-th {2,3}-power tower; see Comments.

n	a(n)
1	2
2	1
3	7
4	5
5	4
6	16
7	3
8	15
9	12
10	11
11	10
12	9
13	34
14	33
15	8
16	6
17	32
18	31
19	26
20	25
21	24
22	23
23	22
24	21
25	20
26	19
27	70
28	69
29	68
30	67
31	18
32	17
33	14
34	13
35	66
36	65
37	64
38	63
39	54
40	53
41	52
42	51
43	50
44	49
45	48
46	47
47	46
48	45
49	44
50	43
51	42
52	41
53	40
54	39
55	142
56	141
57	140
58	139
59	138
60	137
61	136
62	135
63	38
64	37
65	36

[2, 1, 7, 5, 4, 16, 3, 15, 12, 11, 10, 9, 34, 33, 8, 6, 32, 31, 26, 25, 24, 23, 22, 21, 20, 19, 70, 69, 68, 67, 18, 17, 14, 13, 66, 65, 64, 63, 54, 53, 52, 51, 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 142, 141, 140, 139, 138, 137, 136, 135, 38, 37, 36]

cp's OEIS Frontend

A299238 a(n) = the index m satisfying t(m) = 5 - 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	2
2	1
3	7
4	5
5	4
6	16
7	3
8	15
9	12
10	11
11	10
12	9
13	34
14	33
15	8
16	6
17	32
18	31
19	26
20	25
21	24
22	23
23	22
24	21
25	20
26	19
27	70
28	69
29	68
30	67
31	18
32	17
33	14
34	13
35	66
36	65
37	64
38	63
39	54
40	53
41	52
42	51
43	50
44	49
45	48
46	47
47	46
48	45
49	44
50	43
51	42
52	41
53	40
54	39
55	142
56	141
57	140
58	139
59	138
60	137
61	136
62	135
63	38
64	37
65	36

n	a(n)
1	2
2	1
3	7
4	5
5	4
6	16
7	3
8	15
9	12
10	11
11	10
12	9
13	34
14	33
15	8
16	6
17	32
18	31
19	26
20	25
21	24
22	23
23	22
24	21
25	20
26	19
27	70
28	69
29	68
30	67
31	18
32	17
33	14
34	13
35	66
36	65
37	64
38	63
39	54
40	53
41	52
42	51
43	50
44	49
45	48
46	47
47	46
48	45
49	44
50	43
51	42
52	41
53	40
54	39
55	142
56	141
57	140
58	139
59	138
60	137
61	136
62	135
63	38
64	37
65	36

n	a(n)
1	2
2	1
3	7
4	5
5	4
6	16
7	3
8	15
9	12
10	11
11	10
12	9
13	34
14	33
15	8
16	6
17	32
18	31
19	26
20	25
21	24
22	23
23	22
24	21
25	20
26	19
27	70
28	69
29	68
30	67
31	18
32	17
33	14
34	13
35	66
36	65
37	64
38	63
39	54
40	53
41	52
42	51
43	50
44	49
45	48
46	47
47	46
48	45
49	44
50	43
51	42
52	41
53	40
54	39
55	142
56	141
57	140
58	139
59	138
60	137
61	136
62	135
63	38
64	37
65	36