A260430 - cp's OEIS frontend

A260430 Involution of natural numbers: a(1) = 1, a(A257803(1+n)) = A257804(a(n)), a(A257804(n)) = A257803(1+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	12
4	2
5	30
6	7
7	6
8	74
9	19
10	21
11	18
12	3
13	172
14	52
15	54
16	49
17	48
18	11
19	9
20	383
21	10
22	128
23	125
24	32
25	36
26	132
27	31
28	119
29	118
30	5
31	27
32	24
33	812
34	314
35	89
36	25
37	283
38	92
39	275
40	76
41	86
42	85
43	83
44	290
45	75
46	267
47	266
48	17
49	16
50	68
51	60
52	14
53	724
54	15
55	227
56	1675
57	219
58	659
59	207
60	51
61	64
62	599
63	216
64	61
65	232
66	583
67	174
68	50
69	204
70	210
71	201
72	193
73	208
74	8
75	45
76	40
77	1574
78	612
79	173
80	569
81	595
82	159
83	43

[1, 4, 12, 2, 30, 7, 6, 74, 19, 21, 18, 3, 172, 52, 54, 49, 48, 11, 9, 383, 10, 128, 125, 32, 36, 132, 31, 119, 118, 5, 27, 24, 812, 314, 89, 25, 283, 92, 275, 76, 86, 85, 83, 290, 75, 267, 266, 17, 16, 68, 60, 14, 724, 15, 227, 1675, 219, 659, 207, 51, 64, 599, 216, 61, 232, 583, 174, 50, 204, 210, 201, 193, 208, 8, 45, 40, 1574, 612, 173, 569, 595, 159, 43]

cp's OEIS Frontend

A260430 Involution of natural numbers: a(1) = 1, a(A257803(1+n)) = A257804(a(n)), a(A257804(n)) = A257803(1+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