A260434 - cp's OEIS frontend

A260434 Permutation of natural numbers: a(1) = 1, a(2n) = A257803(1+a(n)), a(2n+1) = A257804(a(n)), where A257803 and A257804 give the positions of odd and even terms in A233271, the infinite trunk of inverted binary beanstalk.

n	a(n)
1	1
2	4
3	2
4	12
5	6
6	7
7	3
8	30
9	19
10	18
11	10
12	21
13	11
14	9
15	5
16	74
17	48
18	52
19	32
20	49
21	31
22	25
23	15
24	54
25	36
26	27
27	16
28	24
29	14
30	17
31	8
32	172
33	125
34	118
35	85
36	128
37	89
38	76
39	51
40	119
41	86
42	75
43	50
44	64
45	43
46	38
47	26
48	132
49	92
50	83
51	61
52	68
53	45
54	41
55	28
56	60
57	40
58	35
59	22
60	42
61	29
62	23
63	13
64	383
65	314
66	275
67	219
68	266
69	208
70	201
71	152
72	283
73	227
74	207
75	159
76	174
77	129
78	127
79	88

[1, 4, 2, 12, 6, 7, 3, 30, 19, 18, 10, 21, 11, 9, 5, 74, 48, 52, 32, 49, 31, 25, 15, 54, 36, 27, 16, 24, 14, 17, 8, 172, 125, 118, 85, 128, 89, 76, 51, 119, 86, 75, 50, 64, 43, 38, 26, 132, 92, 83, 61, 68, 45, 41, 28, 60, 40, 35, 22, 42, 29, 23, 13, 383, 314, 275, 219, 266, 208, 201, 152, 283, 227, 207, 159, 174, 129, 127, 88]

cp's OEIS Frontend

A260434 Permutation of natural numbers: a(1) = 1, a(2n) = A257803(1+a(n)), a(2n+1) = A257804(a(n)), where A257803 and A257804 give the positions of odd and even terms in A233271, the infinite trunk of inverted binary beanstalk.

Table of values

List of values

n	a(n)
1	1
2	4
3	2
4	12
5	6
6	7
7	3
8	30
9	19
10	18
11	10
12	21
13	11
14	9
15	5
16	74
17	48
18	52
19	32
20	49
21	31
22	25
23	15
24	54
25	36
26	27
27	16
28	24
29	14
30	17
31	8
32	172
33	125
34	118
35	85
36	128
37	89
38	76
39	51
40	119
41	86
42	75
43	50
44	64
45	43
46	38
47	26
48	132
49	92
50	83
51	61
52	68
53	45
54	41
55	28
56	60
57	40
58	35
59	22
60	42
61	29
62	23
63	13
64	383
65	314
66	275
67	219
68	266
69	208
70	201
71	152
72	283
73	227
74	207
75	159
76	174
77	129
78	127
79	88

n	a(n)
1	1
2	4
3	2
4	12
5	6
6	7
7	3
8	30
9	19
10	18
11	10
12	21
13	11
14	9
15	5
16	74
17	48
18	52
19	32
20	49
21	31
22	25
23	15
24	54
25	36
26	27
27	16
28	24
29	14
30	17
31	8
32	172
33	125
34	118
35	85
36	128
37	89
38	76
39	51
40	119
41	86
42	75
43	50
44	64
45	43
46	38
47	26
48	132
49	92
50	83
51	61
52	68
53	45
54	41
55	28
56	60
57	40
58	35
59	22
60	42
61	29
62	23
63	13
64	383
65	314
66	275
67	219
68	266
69	208
70	201
71	152
72	283
73	227
74	207
75	159
76	174
77	129
78	127
79	88

n	a(n)
1	1
2	4
3	2
4	12
5	6
6	7
7	3
8	30
9	19
10	18
11	10
12	21
13	11
14	9
15	5
16	74
17	48
18	52
19	32
20	49
21	31
22	25
23	15
24	54
25	36
26	27
27	16
28	24
29	14
30	17
31	8
32	172
33	125
34	118
35	85
36	128
37	89
38	76
39	51
40	119
41	86
42	75
43	50
44	64
45	43
46	38
47	26
48	132
49	92
50	83
51	61
52	68
53	45
54	41
55	28
56	60
57	40
58	35
59	22
60	42
61	29
62	23
63	13
64	383
65	314
66	275
67	219
68	266
69	208
70	201
71	152
72	283
73	227
74	207
75	159
76	174
77	129
78	127
79	88