A044352 - cp's OEIS frontend

A044352 Numbers n such that string 2,0 occurs in the base 10 representation of n but not of n-1.

n	a(n)
1	20
2	120
3	200
4	220
5	320
6	420
7	520
8	620
9	720
10	820
11	920
12	1020
13	1120
14	1200
15	1220
16	1320
17	1420
18	1520
19	1620
20	1720
21	1820
22	1920
23	2000
24	2120
25	2200
26	2220
27	2320
28	2420
29	2520
30	2620
31	2720
32	2820
33	2920
34	3020
35	3120
36	3200
37	3220
38	3320
39	3420

[20, 120, 200, 220, 320, 420, 520, 620, 720, 820, 920, 1020, 1120, 1200, 1220, 1320, 1420, 1520, 1620, 1720, 1820, 1920, 2000, 2120, 2200, 2220, 2320, 2420, 2520, 2620, 2720, 2820, 2920, 3020, 3120, 3200, 3220, 3320, 3420]

cp's OEIS Frontend

A044352 Numbers n such that string 2,0 occurs in the base 10 representation of n but not of n-1.

Table of values

List of values