A374504 - cp's OEIS frontend

A374504 Lexicographically earliest sequence of distinct nonnegative terms such that the absolute difference between the rightmost digit of a(n) and the leftmost digit of a(n+1) is the largest possible one.

n	a(n)
1	0
2	9
3	1
4	90
5	91
6	92
7	93
8	94
9	95
10	10
11	96
12	11
13	97
14	12
15	98
16	13
17	99
18	14
19	900
20	901
21	902
22	903
23	904
24	905
25	15
26	16
27	17
28	18
29	19
30	100
31	906
32	101
33	907
34	102
35	908
36	103
37	909
38	104
39	910
40	911
41	912
42	913
43	914
44	915
45	105
46	106
47	107
48	108
49	109
50	110
51	916
52	111
53	917
54	112
55	918
56	113
57	919
58	114
59	920
60	921
61	922
62	923
63	924
64	925
65	115
66	116
67	117
68	118
69	119

[0, 9, 1, 90, 91, 92, 93, 94, 95, 10, 96, 11, 97, 12, 98, 13, 99, 14, 900, 901, 902, 903, 904, 905, 15, 16, 17, 18, 19, 100, 906, 101, 907, 102, 908, 103, 909, 104, 910, 911, 912, 913, 914, 915, 105, 106, 107, 108, 109, 110, 916, 111, 917, 112, 918, 113, 919, 114, 920, 921, 922, 923, 924, 925, 115, 116, 117, 118, 119]

cp's OEIS Frontend

A374504 Lexicographically earliest sequence of distinct nonnegative terms such that the absolute difference between the rightmost digit of a(n) and the leftmost digit of a(n+1) is the largest possible one.

Table of values

List of values

n	a(n)
1	0
2	9
3	1
4	90
5	91
6	92
7	93
8	94
9	95
10	10
11	96
12	11
13	97
14	12
15	98
16	13
17	99
18	14
19	900
20	901
21	902
22	903
23	904
24	905
25	15
26	16
27	17
28	18
29	19
30	100
31	906
32	101
33	907
34	102
35	908
36	103
37	909
38	104
39	910
40	911
41	912
42	913
43	914
44	915
45	105
46	106
47	107
48	108
49	109
50	110
51	916
52	111
53	917
54	112
55	918
56	113
57	919
58	114
59	920
60	921
61	922
62	923
63	924
64	925
65	115
66	116
67	117
68	118
69	119

n	a(n)
1	0
2	9
3	1
4	90
5	91
6	92
7	93
8	94
9	95
10	10
11	96
12	11
13	97
14	12
15	98
16	13
17	99
18	14
19	900
20	901
21	902
22	903
23	904
24	905
25	15
26	16
27	17
28	18
29	19
30	100
31	906
32	101
33	907
34	102
35	908
36	103
37	909
38	104
39	910
40	911
41	912
42	913
43	914
44	915
45	105
46	106
47	107
48	108
49	109
50	110
51	916
52	111
53	917
54	112
55	918
56	113
57	919
58	114
59	920
60	921
61	922
62	923
63	924
64	925
65	115
66	116
67	117
68	118
69	119

n	a(n)
1	0
2	9
3	1
4	90
5	91
6	92
7	93
8	94
9	95
10	10
11	96
12	11
13	97
14	12
15	98
16	13
17	99
18	14
19	900
20	901
21	902
22	903
23	904
24	905
25	15
26	16
27	17
28	18
29	19
30	100
31	906
32	101
33	907
34	102
35	908
36	103
37	909
38	104
39	910
40	911
41	912
42	913
43	914
44	915
45	105
46	106
47	107
48	108
49	109
50	110
51	916
52	111
53	917
54	112
55	918
56	113
57	919
58	114
59	920
60	921
61	922
62	923
63	924
64	925
65	115
66	116
67	117
68	118
69	119