A278218 - cp's OEIS frontend

A278218 Triangle read by rows: T(n,k) = Least number with the prime signature of binomial(n,k).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	2
8	2
9	1
10	1
11	4
12	6
13	4
14	1
15	1
16	2
17	6
18	6
19	2
20	1
21	1
22	6
23	6
24	12
25	6
26	6
27	1
28	1
29	2
30	6
31	6
32	6
33	6
34	2
35	1
36	1
37	8
38	12
39	24
40	30
41	24
42	12
43	8
44	1
45	1
46	4
47	36
48	60
49	60
50	60
51	60
52	36
53	4
54	1
55	1
56	6
57	12
58	120
59	210
60	180
61	210
62	120
63	12
64	6
65	1
66	1
67	2
68	6
69	30
70	210
71	210
72	210
73	210
74	30
75	6
76	2
77	1
78	1
79	12
80	30
81	60
82	60
83	360
84	420
85	360
86	60
87	60
88	30
89	12
90	1

[1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 4, 6, 4, 1, 1, 2, 6, 6, 2, 1, 1, 6, 6, 12, 6, 6, 1, 1, 2, 6, 6, 6, 6, 2, 1, 1, 8, 12, 24, 30, 24, 12, 8, 1, 1, 4, 36, 60, 60, 60, 60, 36, 4, 1, 1, 6, 12, 120, 210, 180, 210, 120, 12, 6, 1, 1, 2, 6, 30, 210, 210, 210, 210, 30, 6, 2, 1, 1, 12, 30, 60, 60, 360, 420, 360, 60, 60, 30, 12, 1]

cp's OEIS Frontend

A278218 Triangle read by rows: T(n,k) = Least number with the prime signature of binomial(n,k).

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	2
8	2
9	1
10	1
11	4
12	6
13	4
14	1
15	1
16	2
17	6
18	6
19	2
20	1
21	1
22	6
23	6
24	12
25	6
26	6
27	1
28	1
29	2
30	6
31	6
32	6
33	6
34	2
35	1
36	1
37	8
38	12
39	24
40	30
41	24
42	12
43	8
44	1
45	1
46	4
47	36
48	60
49	60
50	60
51	60
52	36
53	4
54	1
55	1
56	6
57	12
58	120
59	210
60	180
61	210
62	120
63	12
64	6
65	1
66	1
67	2
68	6
69	30
70	210
71	210
72	210
73	210
74	30
75	6
76	2
77	1
78	1
79	12
80	30
81	60
82	60
83	360
84	420
85	360
86	60
87	60
88	30
89	12
90	1

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	2
8	2
9	1
10	1
11	4
12	6
13	4
14	1
15	1
16	2
17	6
18	6
19	2
20	1
21	1
22	6
23	6
24	12
25	6
26	6
27	1
28	1
29	2
30	6
31	6
32	6
33	6
34	2
35	1
36	1
37	8
38	12
39	24
40	30
41	24
42	12
43	8
44	1
45	1
46	4
47	36
48	60
49	60
50	60
51	60
52	36
53	4
54	1
55	1
56	6
57	12
58	120
59	210
60	180
61	210
62	120
63	12
64	6
65	1
66	1
67	2
68	6
69	30
70	210
71	210
72	210
73	210
74	30
75	6
76	2
77	1
78	1
79	12
80	30
81	60
82	60
83	360
84	420
85	360
86	60
87	60
88	30
89	12
90	1

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	2
8	2
9	1
10	1
11	4
12	6
13	4
14	1
15	1
16	2
17	6
18	6
19	2
20	1
21	1
22	6
23	6
24	12
25	6
26	6
27	1
28	1
29	2
30	6
31	6
32	6
33	6
34	2
35	1
36	1
37	8
38	12
39	24
40	30
41	24
42	12
43	8
44	1
45	1
46	4
47	36
48	60
49	60
50	60
51	60
52	36
53	4
54	1
55	1
56	6
57	12
58	120
59	210
60	180
61	210
62	120
63	12
64	6
65	1
66	1
67	2
68	6
69	30
70	210
71	210
72	210
73	210
74	30
75	6
76	2
77	1
78	1
79	12
80	30
81	60
82	60
83	360
84	420
85	360
86	60
87	60
88	30
89	12
90	1