A228410 - cp's OEIS frontend

A228410 The digits of a(n) and a(n+1) together can be reordered to form a palindrome; lexicographically least injective sequence of positive integers with this property.

n	a(n)
1	1
2	10
3	100
4	11
5	2
6	12
7	21
8	102
9	20
10	101
11	22
12	3
13	13
14	31
15	103
16	30
17	110
18	33
19	4
20	14
21	41
22	104
23	40
24	114
25	24
26	42
27	112
28	23
29	32
30	113
31	34
32	43
33	131
34	35
35	5
36	15
37	51
38	105
39	50
40	115
41	25
42	52
43	121
44	26
45	6
46	16
47	61
48	106
49	60
50	116
51	36
52	63
53	136
54	163
55	316
56	361
57	613
58	631
59	1003
60	111
61	17
62	7
63	27
64	72
65	117
66	37
67	73
68	137
69	71
70	107

[1, 10, 100, 11, 2, 12, 21, 102, 20, 101, 22, 3, 13, 31, 103, 30, 110, 33, 4, 14, 41, 104, 40, 114, 24, 42, 112, 23, 32, 113, 34, 43, 131, 35, 5, 15, 51, 105, 50, 115, 25, 52, 121, 26, 6, 16, 61, 106, 60, 116, 36, 63, 136, 163, 316, 361, 613, 631, 1003, 111, 17, 7, 27, 72, 117, 37, 73, 137, 71, 107]

cp's OEIS Frontend

A228410 The digits of a(n) and a(n+1) together can be reordered to form a palindrome; lexicographically least injective sequence of positive integers with this property.

Table of values

List of values