A275238 - cp's OEIS frontend

A275238 a(n) = n*(10^floor(log_10(n)+1) + 1) + (-1)^n.

n	a(n)
0	1
1	10
2	23
3	32
4	45
5	54
6	67
7	76
8	89
9	98
10	1011
11	1110
12	1213
13	1312
14	1415
15	1514
16	1617
17	1716
18	1819
19	1918
20	2021
21	2120
22	2223
23	2322
24	2425
25	2524
26	2627
27	2726
28	2829
29	2928
30	3031
31	3130
32	3233
33	3332
34	3435
35	3534
36	3637
37	3736
38	3839
39	3938
40	4041
41	4140
42	4243
43	4342
44	4445
45	4544
46	4647
47	4746
48	4849
49	4948
50	5051
51	5150
52	5253
53	5352
54	5455
55	5554

[1, 10, 23, 32, 45, 54, 67, 76, 89, 98, 1011, 1110, 1213, 1312, 1415, 1514, 1617, 1716, 1819, 1918, 2021, 2120, 2223, 2322, 2425, 2524, 2627, 2726, 2829, 2928, 3031, 3130, 3233, 3332, 3435, 3534, 3637, 3736, 3839, 3938, 4041, 4140, 4243, 4342, 4445, 4544, 4647, 4746, 4849, 4948, 5051, 5150, 5253, 5352, 5455, 5554]

cp's OEIS Frontend

A275238 a(n) = n*(10^floor(log_10(n)+1) + 1) + (-1)^n.

Table of values

List of values