A220347 - cp's OEIS frontend

A220347 Permutation of natural numbers: a(1) = 1, a(triangular(n)) = (2a(n))-1, a(nontriangular(n)) = 2n, where triangular = A000217, nontriangular = A014132.

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	5
7	8
8	12
9	10
10	7
11	16
12	24
13	20
14	14
15	11
16	32
17	48
18	40
19	28
20	22
21	9
22	64
23	96
24	80
25	56
26	44
27	18
28	15
29	128
30	192
31	160
32	112
33	88
34	36
35	30
36	23
37	256
38	384
39	320
40	224
41	176
42	72
43	60
44	46
45	19
46	512
47	768
48	640
49	448
50	352
51	144
52	120
53	92
54	38
55	13
56	1024
57	1536
58	1280
59	896
60	704
61	288

[1, 2, 3, 4, 6, 5, 8, 12, 10, 7, 16, 24, 20, 14, 11, 32, 48, 40, 28, 22, 9, 64, 96, 80, 56, 44, 18, 15, 128, 192, 160, 112, 88, 36, 30, 23, 256, 384, 320, 224, 176, 72, 60, 46, 19, 512, 768, 640, 448, 352, 144, 120, 92, 38, 13, 1024, 1536, 1280, 896, 704, 288]

cp's OEIS Frontend

A220347 Permutation of natural numbers: a(1) = 1, a(triangular(n)) = (2a(n))-1, a(nontriangular(n)) = 2n, where triangular = A000217, nontriangular = A014132.

Table of values

List of values

cp's OEIS Frontend

A220347 Permutation of natural numbers: a(1) = 1, a(triangular(n)) = (2*a(n))-1, a(nontriangular(n)) = 2*n, where triangular = A000217, nontriangular = A014132.

Table of values

List of values

A220347 Permutation of natural numbers: a(1) = 1, a(triangular(n)) = (2a(n))-1, a(nontriangular(n)) = 2n, where triangular = A000217, nontriangular = A014132.