A156673 - cp's OEIS frontend

A156673 a(1)=0, a(n+1) is the smallest nonprime with sum of digits > sum of digits of a(n).

n	a(n)
1	0
2	1
3	4
4	6
5	8
6	9
7	28
8	38
9	39
10	49
11	68
12	69
13	88
14	98
15	99
16	289
17	299
18	399
19	589
20	689
21	699
22	799
23	899
24	999
25	2899
26	3899
27	3999
28	5899
29	5999
30	6999
31	7999
32	9899
33	9999
34	19999
35	29999
36	39999
37	58999
38	68999
39	69999
40	88999
41	89999
42	99999
43	299899
44	299999
45	399999
46	499999
47	689999

[0, 1, 4, 6, 8, 9, 28, 38, 39, 49, 68, 69, 88, 98, 99, 289, 299, 399, 589, 689, 699, 799, 899, 999, 2899, 3899, 3999, 5899, 5999, 6999, 7999, 9899, 9999, 19999, 29999, 39999, 58999, 68999, 69999, 88999, 89999, 99999, 299899, 299999, 399999, 499999, 689999]

cp's OEIS Frontend

A156673 a(1)=0, a(n+1) is the smallest nonprime with sum of digits > sum of digits of a(n).

Table of values

List of values