A329545 - cp's OEIS frontend

A329545 After a(1) = 1, add the even terms and subtract the odd ones, the result must always be a palindrome. This is the lexicographically earliest sequence of distinct positive integers with this property.

n	a(n)
1	1
2	2
3	3
4	4
5	18
6	11
7	5
8	16
9	13
10	7
11	6
12	14
13	15
14	26
15	22
16	33
17	17
18	28
19	25
20	36
21	35
22	9
23	8
24	58
25	55
26	44
27	46
28	10
29	20
30	30
31	73
32	77
33	66
34	24
35	40
36	50
37	103
38	79
39	68
40	34
41	23
42	81
43	48
44	47
45	80
46	83
47	72
48	54
49	43
50	85
51	52
52	49
53	38
54	37
55	70
56	64
57	53
58	87
59	32
60	27
61	60
62	57
63	90
64	12
65	45
66	59
67	92
68	42
69	75
70	61
71	94
72	62
73	95
74	63
75	74
76	69
77	194

[1, 2, 3, 4, 18, 11, 5, 16, 13, 7, 6, 14, 15, 26, 22, 33, 17, 28, 25, 36, 35, 9, 8, 58, 55, 44, 46, 10, 20, 30, 73, 77, 66, 24, 40, 50, 103, 79, 68, 34, 23, 81, 48, 47, 80, 83, 72, 54, 43, 85, 52, 49, 38, 37, 70, 64, 53, 87, 32, 27, 60, 57, 90, 12, 45, 59, 92, 42, 75, 61, 94, 62, 95, 63, 74, 69, 194]

cp's OEIS Frontend

A329545 After a(1) = 1, add the even terms and subtract the odd ones, the result must always be a palindrome. This is the lexicographically earliest sequence of distinct positive integers with this property.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	18
6	11
7	5
8	16
9	13
10	7
11	6
12	14
13	15
14	26
15	22
16	33
17	17
18	28
19	25
20	36
21	35
22	9
23	8
24	58
25	55
26	44
27	46
28	10
29	20
30	30
31	73
32	77
33	66
34	24
35	40
36	50
37	103
38	79
39	68
40	34
41	23
42	81
43	48
44	47
45	80
46	83
47	72
48	54
49	43
50	85
51	52
52	49
53	38
54	37
55	70
56	64
57	53
58	87
59	32
60	27
61	60
62	57
63	90
64	12
65	45
66	59
67	92
68	42
69	75
70	61
71	94
72	62
73	95
74	63
75	74
76	69
77	194

n	a(n)
1	1
2	2
3	3
4	4
5	18
6	11
7	5
8	16
9	13
10	7
11	6
12	14
13	15
14	26
15	22
16	33
17	17
18	28
19	25
20	36
21	35
22	9
23	8
24	58
25	55
26	44
27	46
28	10
29	20
30	30
31	73
32	77
33	66
34	24
35	40
36	50
37	103
38	79
39	68
40	34
41	23
42	81
43	48
44	47
45	80
46	83
47	72
48	54
49	43
50	85
51	52
52	49
53	38
54	37
55	70
56	64
57	53
58	87
59	32
60	27
61	60
62	57
63	90
64	12
65	45
66	59
67	92
68	42
69	75
70	61
71	94
72	62
73	95
74	63
75	74
76	69
77	194

n	a(n)
1	1
2	2
3	3
4	4
5	18
6	11
7	5
8	16
9	13
10	7
11	6
12	14
13	15
14	26
15	22
16	33
17	17
18	28
19	25
20	36
21	35
22	9
23	8
24	58
25	55
26	44
27	46
28	10
29	20
30	30
31	73
32	77
33	66
34	24
35	40
36	50
37	103
38	79
39	68
40	34
41	23
42	81
43	48
44	47
45	80
46	83
47	72
48	54
49	43
50	85
51	52
52	49
53	38
54	37
55	70
56	64
57	53
58	87
59	32
60	27
61	60
62	57
63	90
64	12
65	45
66	59
67	92
68	42
69	75
70	61
71	94
72	62
73	95
74	63
75	74
76	69
77	194