A205530 - cp's OEIS frontend

A205530 Composite numbers n with k digits such that each sum of 1 to k digits of n is substring of n.

n	a(n)
1	4
2	6
3	8
4	9
5	10
6	20
7	30
8	40
9	50
10	60
11	70
12	80
13	90
14	100
15	200
16	300
17	400
18	500
19	600
20	700
21	800
22	910
23	1000
24	1090
25	2000
26	3000
27	4000
28	5000
29	6000
30	7000
31	8000
32	9000
33	9010
34	9100
35	10000
36	10090
37	10900
38	20000
39	30000
40	40000
41	50000
42	60000
43	70000
44	80000
45	90000
46	90010
47	90100
48	91000

[4, 6, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 200, 300, 400, 500, 600, 700, 800, 910, 1000, 1090, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 9000, 9010, 9100, 10000, 10090, 10900, 20000, 30000, 40000, 50000, 60000, 70000, 80000, 90000, 90010, 90100, 91000]

cp's OEIS Frontend

A205530 Composite numbers n with k digits such that each sum of 1 to k digits of n is substring of n.

Table of values

List of values