A334318 - cp's OEIS frontend

A334318 Number T(n,k) of integers in base n having exactly k distinct digits such that the number formed by the consecutive subsequence of the initial j digits is divisible by j for all j in {1,...,k}; triangle T(n,k), n>=1, 1<=k<=n, read by rows.

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	0
7	4
8	5
9	5
10	2
11	5
12	6
13	6
14	1
15	0
16	6
17	13
18	18
19	8
20	7
21	2
22	7
23	15
24	33
25	34
26	16
27	7
28	0
29	8
30	25
31	50
32	58
33	52
34	21
35	8
36	3
37	9
38	28
39	67
40	98
41	101
42	57
43	30
44	7
45	0
46	10
47	41
48	115
49	168
50	220
51	88
52	51
53	9
54	4
55	1
56	11
57	45
58	134
59	275
60	398
61	315
62	220
63	126
64	32
65	10
66	0
67	12
68	61
69	206
70	428
71	690
72	568
73	503
74	158
75	32
76	5
77	1
78	0

[1, 2, 1, 3, 1, 0, 4, 5, 5, 2, 5, 6, 6, 1, 0, 6, 13, 18, 8, 7, 2, 7, 15, 33, 34, 16, 7, 0, 8, 25, 50, 58, 52, 21, 8, 3, 9, 28, 67, 98, 101, 57, 30, 7, 0, 10, 41, 115, 168, 220, 88, 51, 9, 4, 1, 11, 45, 134, 275, 398, 315, 220, 126, 32, 10, 0, 12, 61, 206, 428, 690, 568, 503, 158, 32, 5, 1, 0]

cp's OEIS Frontend

A334318 Number T(n,k) of integers in base n having exactly k distinct digits such that the number formed by the consecutive subsequence of the initial j digits is divisible by j for all j in {1,...,k}; triangle T(n,k), n>=1, 1<=k<=n, read by rows.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	0
7	4
8	5
9	5
10	2
11	5
12	6
13	6
14	1
15	0
16	6
17	13
18	18
19	8
20	7
21	2
22	7
23	15
24	33
25	34
26	16
27	7
28	0
29	8
30	25
31	50
32	58
33	52
34	21
35	8
36	3
37	9
38	28
39	67
40	98
41	101
42	57
43	30
44	7
45	0
46	10
47	41
48	115
49	168
50	220
51	88
52	51
53	9
54	4
55	1
56	11
57	45
58	134
59	275
60	398
61	315
62	220
63	126
64	32
65	10
66	0
67	12
68	61
69	206
70	428
71	690
72	568
73	503
74	158
75	32
76	5
77	1
78	0

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	0
7	4
8	5
9	5
10	2
11	5
12	6
13	6
14	1
15	0
16	6
17	13
18	18
19	8
20	7
21	2
22	7
23	15
24	33
25	34
26	16
27	7
28	0
29	8
30	25
31	50
32	58
33	52
34	21
35	8
36	3
37	9
38	28
39	67
40	98
41	101
42	57
43	30
44	7
45	0
46	10
47	41
48	115
49	168
50	220
51	88
52	51
53	9
54	4
55	1
56	11
57	45
58	134
59	275
60	398
61	315
62	220
63	126
64	32
65	10
66	0
67	12
68	61
69	206
70	428
71	690
72	568
73	503
74	158
75	32
76	5
77	1
78	0

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	0
7	4
8	5
9	5
10	2
11	5
12	6
13	6
14	1
15	0
16	6
17	13
18	18
19	8
20	7
21	2
22	7
23	15
24	33
25	34
26	16
27	7
28	0
29	8
30	25
31	50
32	58
33	52
34	21
35	8
36	3
37	9
38	28
39	67
40	98
41	101
42	57
43	30
44	7
45	0
46	10
47	41
48	115
49	168
50	220
51	88
52	51
53	9
54	4
55	1
56	11
57	45
58	134
59	275
60	398
61	315
62	220
63	126
64	32
65	10
66	0
67	12
68	61
69	206
70	428
71	690
72	568
73	503
74	158
75	32
76	5
77	1
78	0