A003587 - cp's OEIS frontend

A003587 Roman numerals with 1 letter, in numerical order; then those with 2 letters, etc.

n	a(n)
1	1
2	5
3	10
4	50
5	100
6	500
7	1000
8	2
9	4
10	6
11	9
12	11
13	15
14	20
15	40
16	51
17	55
18	60
19	90
20	101
21	105
22	110
23	150
24	200
25	400
26	501
27	505
28	510
29	550
30	600
31	900
32	1001
33	1005
34	1010
35	1050
36	1100
37	1500
38	2000
39	3
40	7
41	12
42	14
43	16
44	19
45	21
46	25
47	30
48	41
49	45
50	52
51	54
52	56
53	59
54	61
55	65
56	70
57	91
58	95
59	102
60	104
61	106
62	109
63	111
64	115
65	120
66	140
67	151

[1, 5, 10, 50, 100, 500, 1000, 2, 4, 6, 9, 11, 15, 20, 40, 51, 55, 60, 90, 101, 105, 110, 150, 200, 400, 501, 505, 510, 550, 600, 900, 1001, 1005, 1010, 1050, 1100, 1500, 2000, 3, 7, 12, 14, 16, 19, 21, 25, 30, 41, 45, 52, 54, 56, 59, 61, 65, 70, 91, 95, 102, 104, 106, 109, 111, 115, 120, 140, 151]

cp's OEIS Frontend

A003587 Roman numerals with 1 letter, in numerical order; then those with 2 letters, etc.

Table of values

List of values