A307129 - cp's OEIS frontend

A307129 Lexicographically earliest sequence of distinct terms such that the sequence of digits has alternating parity, and the same holds for the digits of the sequence a(n) + a(n+1).

n	a(n)
1	1
2	29
3	21
4	49
5	23
6	27
7	25
8	45
9	47
10	43
11	258
12	12
13	18
14	14
15	16
16	34
17	36
18	38
19	32
20	58
21	123
22	87
23	214
24	56
25	125
26	85
27	216
28	54
29	127
30	83
31	218
32	52
33	129
34	81
35	2929
36	89
37	212
38	78
39	1014
40	76
41	1016
42	74
43	1018
44	72
45	1218
46	1812
47	1238
48	1814
49	1216
50	1816
51	1214
52	1818
53	1212
54	1838
55	1232
56	1858
57	1234
58	1836
59	1236
60	1834
61	1256
62	3814
63	1258
64	1832
65	1418
66	1612
67	1438
68	1614
69	1416
70	1616
71	1414
72	1618
73	1412
74	1638
75	1432
76	1658
77	1434
78	1636
79	1436
80	1634
81	1456
82	3614
83	1458
84	1632
85	3418
86	1652
87	3438
88	1654
89	3416
90	1656
91	3414
92	1676
93	3616
94	1454
95	3618
96	1452
97	3638
98	1852
99	3218
100	1854

[1, 29, 21, 49, 23, 27, 25, 45, 47, 43, 258, 12, 18, 14, 16, 34, 36, 38, 32, 58, 123, 87, 214, 56, 125, 85, 216, 54, 127, 83, 218, 52, 129, 81, 2929, 89, 212, 78, 1014, 76, 1016, 74, 1018, 72, 1218, 1812, 1238, 1814, 1216, 1816, 1214, 1818, 1212, 1838, 1232, 1858, 1234, 1836, 1236, 1834, 1256, 3814, 1258, 1832, 1418, 1612, 1438, 1614, 1416, 1616, 1414, 1618, 1412, 1638, 1432, 1658, 1434, 1636, 1436, 1634, 1456, 3614, 1458, 1632, 3418, 1652, 3438, 1654, 3416, 1656, 3414, 1676, 3616, 1454, 3618, 1452, 3638, 1852, 3218, 1854]

cp's OEIS Frontend

A307129 Lexicographically earliest sequence of distinct terms such that the sequence of digits has alternating parity, and the same holds for the digits of the sequence a(n) + a(n+1).

Table of values

List of values