A033106 - cp's OEIS frontend

A033106 Number of 6's when k is written in base b for all b and k satisfying 2<=b<=n+1, 1<=k<=n.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	1
8	1
9	1
10	1
11	1
12	1
13	2
14	3
15	4
16	5
17	6
18	7
19	8
20	10
21	11
22	13
23	14
24	16
25	17
26	19
27	21
28	23
29	24
30	27
31	28
32	30
33	32
34	35
35	36
36	39
37	40
38	43
39	45
40	47
41	49
42	54
43	56
44	59
45	62
46	67
47	69
48	75
49	77
50	81
51	85
52	88
53	90
54	97
55	101
56	105
57	108
58	112
59	114
60	120
61	124
62	131
63	134
64	137

[0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 13, 14, 16, 17, 19, 21, 23, 24, 27, 28, 30, 32, 35, 36, 39, 40, 43, 45, 47, 49, 54, 56, 59, 62, 67, 69, 75, 77, 81, 85, 88, 90, 97, 101, 105, 108, 112, 114, 120, 124, 131, 134, 137]

cp's OEIS Frontend

A033106 Number of 6's when k is written in base b for all b and k satisfying 2<=b<=n+1, 1<=k<=n.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	1
8	1
9	1
10	1
11	1
12	1
13	2
14	3
15	4
16	5
17	6
18	7
19	8
20	10
21	11
22	13
23	14
24	16
25	17
26	19
27	21
28	23
29	24
30	27
31	28
32	30
33	32
34	35
35	36
36	39
37	40
38	43
39	45
40	47
41	49
42	54
43	56
44	59
45	62
46	67
47	69
48	75
49	77
50	81
51	85
52	88
53	90
54	97
55	101
56	105
57	108
58	112
59	114
60	120
61	124
62	131
63	134
64	137

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	1
8	1
9	1
10	1
11	1
12	1
13	2
14	3
15	4
16	5
17	6
18	7
19	8
20	10
21	11
22	13
23	14
24	16
25	17
26	19
27	21
28	23
29	24
30	27
31	28
32	30
33	32
34	35
35	36
36	39
37	40
38	43
39	45
40	47
41	49
42	54
43	56
44	59
45	62
46	67
47	69
48	75
49	77
50	81
51	85
52	88
53	90
54	97
55	101
56	105
57	108
58	112
59	114
60	120
61	124
62	131
63	134
64	137

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	1
8	1
9	1
10	1
11	1
12	1
13	2
14	3
15	4
16	5
17	6
18	7
19	8
20	10
21	11
22	13
23	14
24	16
25	17
26	19
27	21
28	23
29	24
30	27
31	28
32	30
33	32
34	35
35	36
36	39
37	40
38	43
39	45
40	47
41	49
42	54
43	56
44	59
45	62
46	67
47	69
48	75
49	77
50	81
51	85
52	88
53	90
54	97
55	101
56	105
57	108
58	112
59	114
60	120
61	124
62	131
63	134
64	137