A308719 - cp's OEIS frontend

A308719 Lexicographically earliest sequence of distinct terms such that the digits of two contiguous terms sum up to a palindrome.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	10
8	7
9	11
10	9
11	20
12	12
13	8
14	21
15	13
16	14
17	15
18	23
19	22
20	16
21	31
22	25
23	40
24	30
25	17
26	59
27	26
28	68
29	35
30	77
31	44
32	86
33	53
34	95
35	62
36	100
37	19
38	39
39	28
40	48
41	37
42	57
43	46
44	66
45	55
46	75
47	64
48	84
49	73
50	93
51	82
52	129
53	91
54	138
55	109
56	147
57	118
58	156
59	127
60	165
61	136
62	174
63	145
64	183
65	154
66	192
67	163
68	219
69	172
70	228
71	181
72	237
73	190

[1, 2, 3, 4, 5, 6, 10, 7, 11, 9, 20, 12, 8, 21, 13, 14, 15, 23, 22, 16, 31, 25, 40, 30, 17, 59, 26, 68, 35, 77, 44, 86, 53, 95, 62, 100, 19, 39, 28, 48, 37, 57, 46, 66, 55, 75, 64, 84, 73, 93, 82, 129, 91, 138, 109, 147, 118, 156, 127, 165, 136, 174, 145, 183, 154, 192, 163, 219, 172, 228, 181, 237, 190]

cp's OEIS Frontend

A308719 Lexicographically earliest sequence of distinct terms such that the digits of two contiguous terms sum up to a palindrome.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	10
8	7
9	11
10	9
11	20
12	12
13	8
14	21
15	13
16	14
17	15
18	23
19	22
20	16
21	31
22	25
23	40
24	30
25	17
26	59
27	26
28	68
29	35
30	77
31	44
32	86
33	53
34	95
35	62
36	100
37	19
38	39
39	28
40	48
41	37
42	57
43	46
44	66
45	55
46	75
47	64
48	84
49	73
50	93
51	82
52	129
53	91
54	138
55	109
56	147
57	118
58	156
59	127
60	165
61	136
62	174
63	145
64	183
65	154
66	192
67	163
68	219
69	172
70	228
71	181
72	237
73	190

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	10
8	7
9	11
10	9
11	20
12	12
13	8
14	21
15	13
16	14
17	15
18	23
19	22
20	16
21	31
22	25
23	40
24	30
25	17
26	59
27	26
28	68
29	35
30	77
31	44
32	86
33	53
34	95
35	62
36	100
37	19
38	39
39	28
40	48
41	37
42	57
43	46
44	66
45	55
46	75
47	64
48	84
49	73
50	93
51	82
52	129
53	91
54	138
55	109
56	147
57	118
58	156
59	127
60	165
61	136
62	174
63	145
64	183
65	154
66	192
67	163
68	219
69	172
70	228
71	181
72	237
73	190

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	10
8	7
9	11
10	9
11	20
12	12
13	8
14	21
15	13
16	14
17	15
18	23
19	22
20	16
21	31
22	25
23	40
24	30
25	17
26	59
27	26
28	68
29	35
30	77
31	44
32	86
33	53
34	95
35	62
36	100
37	19
38	39
39	28
40	48
41	37
42	57
43	46
44	66
45	55
46	75
47	64
48	84
49	73
50	93
51	82
52	129
53	91
54	138
55	109
56	147
57	118
58	156
59	127
60	165
61	136
62	174
63	145
64	183
65	154
66	192
67	163
68	219
69	172
70	228
71	181
72	237
73	190