A378308 - cp's OEIS frontend

A378308 Array read by antidiagonals: For k >= 3, row k-2 consists of the numbers with no digits 0 in bases 3 to k.

n	a(n)
1	1
2	2
3	1
4	4
5	2
6	1
7	5
8	5
9	2
10	1
11	7
12	7
13	7
14	2
15	1
16	8
17	13
18	13
19	7
20	2
21	1
22	13
23	14
24	14
25	13
26	13
27	2
28	1
29	14
30	22
31	22
32	14
33	22
34	13
35	2
36	1
37	16
38	23
39	23
40	22
41	23
42	22
43	13
44	2
45	1
46	17
47	25
48	41
49	23
50	43
51	23
52	22
53	13
54	2
55	1
56	22
57	26
58	43
59	43
60	121
61	43
62	23
63	22
64	13
65	2
66	1
67	23
68	41
69	121
70	121
71	122
72	121
73	43
74	23
75	23
76	13
77	2
78	1
79	25
80	43
81	122

[1, 2, 1, 4, 2, 1, 5, 5, 2, 1, 7, 7, 7, 2, 1, 8, 13, 13, 7, 2, 1, 13, 14, 14, 13, 13, 2, 1, 14, 22, 22, 14, 22, 13, 2, 1, 16, 23, 23, 22, 23, 22, 13, 2, 1, 17, 25, 41, 23, 43, 23, 22, 13, 2, 1, 22, 26, 43, 43, 121, 43, 23, 22, 13, 2, 1, 23, 41, 121, 121, 122, 121, 43, 23, 23, 13, 2, 1, 25, 43, 122]

cp's OEIS Frontend

A378308 Array read by antidiagonals: For k >= 3, row k-2 consists of the numbers with no digits 0 in bases 3 to k.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	4
5	2
6	1
7	5
8	5
9	2
10	1
11	7
12	7
13	7
14	2
15	1
16	8
17	13
18	13
19	7
20	2
21	1
22	13
23	14
24	14
25	13
26	13
27	2
28	1
29	14
30	22
31	22
32	14
33	22
34	13
35	2
36	1
37	16
38	23
39	23
40	22
41	23
42	22
43	13
44	2
45	1
46	17
47	25
48	41
49	23
50	43
51	23
52	22
53	13
54	2
55	1
56	22
57	26
58	43
59	43
60	121
61	43
62	23
63	22
64	13
65	2
66	1
67	23
68	41
69	121
70	121
71	122
72	121
73	43
74	23
75	23
76	13
77	2
78	1
79	25
80	43
81	122

n	a(n)
1	1
2	2
3	1
4	4
5	2
6	1
7	5
8	5
9	2
10	1
11	7
12	7
13	7
14	2
15	1
16	8
17	13
18	13
19	7
20	2
21	1
22	13
23	14
24	14
25	13
26	13
27	2
28	1
29	14
30	22
31	22
32	14
33	22
34	13
35	2
36	1
37	16
38	23
39	23
40	22
41	23
42	22
43	13
44	2
45	1
46	17
47	25
48	41
49	23
50	43
51	23
52	22
53	13
54	2
55	1
56	22
57	26
58	43
59	43
60	121
61	43
62	23
63	22
64	13
65	2
66	1
67	23
68	41
69	121
70	121
71	122
72	121
73	43
74	23
75	23
76	13
77	2
78	1
79	25
80	43
81	122

n	a(n)
1	1
2	2
3	1
4	4
5	2
6	1
7	5
8	5
9	2
10	1
11	7
12	7
13	7
14	2
15	1
16	8
17	13
18	13
19	7
20	2
21	1
22	13
23	14
24	14
25	13
26	13
27	2
28	1
29	14
30	22
31	22
32	14
33	22
34	13
35	2
36	1
37	16
38	23
39	23
40	22
41	23
42	22
43	13
44	2
45	1
46	17
47	25
48	41
49	23
50	43
51	23
52	22
53	13
54	2
55	1
56	22
57	26
58	43
59	43
60	121
61	43
62	23
63	22
64	13
65	2
66	1
67	23
68	41
69	121
70	121
71	122
72	121
73	43
74	23
75	23
76	13
77	2
78	1
79	25
80	43
81	122