A326315 - cp's OEIS frontend

A326315 Lexicographically earliest sequence of distinct terms such that the digits of a(n) and a(n+1) sum up to a palindrome and a(n) + a(n+1) is also a palindrome.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	196
8	197
9	277
10	15
11	187
12	105
13	97
14	24
15	20
16	13
17	31
18	70
19	101
20	10
21	12
22	21
23	23
24	98
25	104
26	188
27	14
28	30
29	71
30	100
31	11
32	22
33	99
34	103
35	189
36	285
37	7
38	195
39	198
40	276
41	16
42	186
43	106
44	96
45	25
46	177
47	115
48	87
49	34
50	168
51	124
52	78
53	43
54	159
55	133
56	69
57	52
58	200
59	32
60	89
61	113
62	179
63	295
64	240
65	376
66	411
67	457
68	330
69	286
70	269
71	367
72	420
73	448
74	501

[1, 2, 3, 4, 5, 6, 196, 197, 277, 15, 187, 105, 97, 24, 20, 13, 31, 70, 101, 10, 12, 21, 23, 98, 104, 188, 14, 30, 71, 100, 11, 22, 99, 103, 189, 285, 7, 195, 198, 276, 16, 186, 106, 96, 25, 177, 115, 87, 34, 168, 124, 78, 43, 159, 133, 69, 52, 200, 32, 89, 113, 179, 295, 240, 376, 411, 457, 330, 286, 269, 367, 420, 448, 501]

cp's OEIS Frontend

A326315 Lexicographically earliest sequence of distinct terms such that the digits of a(n) and a(n+1) sum up to a palindrome and a(n) + a(n+1) is also a palindrome.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	196
8	197
9	277
10	15
11	187
12	105
13	97
14	24
15	20
16	13
17	31
18	70
19	101
20	10
21	12
22	21
23	23
24	98
25	104
26	188
27	14
28	30
29	71
30	100
31	11
32	22
33	99
34	103
35	189
36	285
37	7
38	195
39	198
40	276
41	16
42	186
43	106
44	96
45	25
46	177
47	115
48	87
49	34
50	168
51	124
52	78
53	43
54	159
55	133
56	69
57	52
58	200
59	32
60	89
61	113
62	179
63	295
64	240
65	376
66	411
67	457
68	330
69	286
70	269
71	367
72	420
73	448
74	501

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	196
8	197
9	277
10	15
11	187
12	105
13	97
14	24
15	20
16	13
17	31
18	70
19	101
20	10
21	12
22	21
23	23
24	98
25	104
26	188
27	14
28	30
29	71
30	100
31	11
32	22
33	99
34	103
35	189
36	285
37	7
38	195
39	198
40	276
41	16
42	186
43	106
44	96
45	25
46	177
47	115
48	87
49	34
50	168
51	124
52	78
53	43
54	159
55	133
56	69
57	52
58	200
59	32
60	89
61	113
62	179
63	295
64	240
65	376
66	411
67	457
68	330
69	286
70	269
71	367
72	420
73	448
74	501

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	196
8	197
9	277
10	15
11	187
12	105
13	97
14	24
15	20
16	13
17	31
18	70
19	101
20	10
21	12
22	21
23	23
24	98
25	104
26	188
27	14
28	30
29	71
30	100
31	11
32	22
33	99
34	103
35	189
36	285
37	7
38	195
39	198
40	276
41	16
42	186
43	106
44	96
45	25
46	177
47	115
48	87
49	34
50	168
51	124
52	78
53	43
54	159
55	133
56	69
57	52
58	200
59	32
60	89
61	113
62	179
63	295
64	240
65	376
66	411
67	457
68	330
69	286
70	269
71	367
72	420
73	448
74	501