A162555 - cp's OEIS frontend

A162555 a(n) = the smallest positive integer not occurring earlier in the sequence such that Sum_{k=1..n} a(k) written in decimal contains decimal n as a substring.

n	a(n)
1	1
2	11
3	18
4	4
5	16
6	6
7	14
8	8
9	12
10	10
11	13
12	7
13	15
14	5
15	17
16	3
17	19
18	2
19	9
20	30
21	101
22	201
23	301
24	401
25	26
26	76
27	501
28	453
29	49
30	601
31	170
32	32
33	168
34	34
35	20
36	82
37	264
38	38
39	162
40	40
41	160
42	42
43	158
44	44
45	106
46	96
47	154
48	48
49	152
50	50
51	150
52	52
53	148
54	54
55	146
56	56
57	21
58	81
59	242
60	60
61	140
62	62
63	138
64	64
65	136

[1, 11, 18, 4, 16, 6, 14, 8, 12, 10, 13, 7, 15, 5, 17, 3, 19, 2, 9, 30, 101, 201, 301, 401, 26, 76, 501, 453, 49, 601, 170, 32, 168, 34, 20, 82, 264, 38, 162, 40, 160, 42, 158, 44, 106, 96, 154, 48, 152, 50, 150, 52, 148, 54, 146, 56, 21, 81, 242, 60, 140, 62, 138, 64, 136]

cp's OEIS Frontend

A162555 a(n) = the smallest positive integer not occurring earlier in the sequence such that Sum_{k=1..n} a(k) written in decimal contains decimal n as a substring.

Table of values

List of values

n	a(n)
1	1
2	11
3	18
4	4
5	16
6	6
7	14
8	8
9	12
10	10
11	13
12	7
13	15
14	5
15	17
16	3
17	19
18	2
19	9
20	30
21	101
22	201
23	301
24	401
25	26
26	76
27	501
28	453
29	49
30	601
31	170
32	32
33	168
34	34
35	20
36	82
37	264
38	38
39	162
40	40
41	160
42	42
43	158
44	44
45	106
46	96
47	154
48	48
49	152
50	50
51	150
52	52
53	148
54	54
55	146
56	56
57	21
58	81
59	242
60	60
61	140
62	62
63	138
64	64
65	136

n	a(n)
1	1
2	11
3	18
4	4
5	16
6	6
7	14
8	8
9	12
10	10
11	13
12	7
13	15
14	5
15	17
16	3
17	19
18	2
19	9
20	30
21	101
22	201
23	301
24	401
25	26
26	76
27	501
28	453
29	49
30	601
31	170
32	32
33	168
34	34
35	20
36	82
37	264
38	38
39	162
40	40
41	160
42	42
43	158
44	44
45	106
46	96
47	154
48	48
49	152
50	50
51	150
52	52
53	148
54	54
55	146
56	56
57	21
58	81
59	242
60	60
61	140
62	62
63	138
64	64
65	136

n	a(n)
1	1
2	11
3	18
4	4
5	16
6	6
7	14
8	8
9	12
10	10
11	13
12	7
13	15
14	5
15	17
16	3
17	19
18	2
19	9
20	30
21	101
22	201
23	301
24	401
25	26
26	76
27	501
28	453
29	49
30	601
31	170
32	32
33	168
34	34
35	20
36	82
37	264
38	38
39	162
40	40
41	160
42	42
43	158
44	44
45	106
46	96
47	154
48	48
49	152
50	50
51	150
52	52
53	148
54	54
55	146
56	56
57	21
58	81
59	242
60	60
61	140
62	62
63	138
64	64
65	136