A333830 - cp's OEIS frontend

A333830 a(n) is the digit sum of the concatenation of the decimal digits of n,n+1,...,n+k, where k >= 0 and minimal, such that the concatenation is divisible by its digit sum, or -1 if no such sum is known.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	1
11	9
12	3
13	9
14	18
15	333
16	36
17	29
18	9
19	12
20	2
21	3
22	9
23	135
24	6
25	1218
26	216
27	9
28	126
29	90
30	3
31	9
32	18
33	355
34	15
35	17
36	9
37	21
38	27
39	198
40	4
41	26
42	6
43	75
44	81
45	9
46	64
47	810
48	12
49	18
50	5
51	855
52	90
53	297
54	9
55	936
56	5050737477
57	45
58	27
59	20
60	6
61	45
62	99
63	9
64	174
65	446
66	1000260
67	4209

[1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 9, 3, 9, 18, 333, 36, 29, 9, 12, 2, 3, 9, 135, 6, 1218, 216, 9, 126, 90, 3, 9, 18, 355, 15, 17, 9, 21, 27, 198, 4, 26, 6, 75, 81, 9, 64, 810, 12, 18, 5, 855, 90, 297, 9, 936, 5050737477, 45, 27, 20, 6, 45, 99, 9, 174, 446, 1000260, 4209]

cp's OEIS Frontend

A333830 a(n) is the digit sum of the concatenation of the decimal digits of n,n+1,...,n+k, where k >= 0 and minimal, such that the concatenation is divisible by its digit sum, or -1 if no such sum is known.

Table of values

List of values