A249224 - cp's OEIS frontend

A249224 Lpf (n(n+11)/2): least prime dividing n(n+11)/2.

n	a(n)
1	2
2	13
3	3
4	2
5	2
6	3
7	3
8	2
9	2
10	3
11	11
12	2
13	2
14	5
15	3
16	2
17	2
18	3
19	3
20	2
21	2
22	3
23	17
24	2
25	2
26	13
27	3
28	2
29	2
30	3
31	3
32	2
33	2
34	3
35	5
36	2
37	2
38	7
39	3
40	2
41	2
42	3
43	3
44	2
45	2
46	3
47	29
48	2
49	2
50	5
51	3
52	2
53	2
54	3
55	3
56	2
57	2
58	3
59	5
60	2
61	2
62	31
63	3
64	2
65	2
66	3
67	3
68	2
69	2
70	3
71	41
72	2
73	2
74	5
75	3
76	2
77	2
78	3
79	3
80	2
81	2
82	3
83	47
84	2
85	2
86	43
87	3
88	2
89	2
90	3
91	3
92	2
93	2
94	3
95	5
96	2
97	2
98	7
99	3
100	2

[2, 13, 3, 2, 2, 3, 3, 2, 2, 3, 11, 2, 2, 5, 3, 2, 2, 3, 3, 2, 2, 3, 17, 2, 2, 13, 3, 2, 2, 3, 3, 2, 2, 3, 5, 2, 2, 7, 3, 2, 2, 3, 3, 2, 2, 3, 29, 2, 2, 5, 3, 2, 2, 3, 3, 2, 2, 3, 5, 2, 2, 31, 3, 2, 2, 3, 3, 2, 2, 3, 41, 2, 2, 5, 3, 2, 2, 3, 3, 2, 2, 3, 47, 2, 2, 43, 3, 2, 2, 3, 3, 2, 2, 3, 5, 2, 2, 7, 3, 2]

cp's OEIS Frontend

A249224 Lpf (n(n+11)/2): least prime dividing n(n+11)/2.

Table of values

List of values

n	a(n)
1	2
2	13
3	3
4	2
5	2
6	3
7	3
8	2
9	2
10	3
11	11
12	2
13	2
14	5
15	3
16	2
17	2
18	3
19	3
20	2
21	2
22	3
23	17
24	2
25	2
26	13
27	3
28	2
29	2
30	3
31	3
32	2
33	2
34	3
35	5
36	2
37	2
38	7
39	3
40	2
41	2
42	3
43	3
44	2
45	2
46	3
47	29
48	2
49	2
50	5
51	3
52	2
53	2
54	3
55	3
56	2
57	2
58	3
59	5
60	2
61	2
62	31
63	3
64	2
65	2
66	3
67	3
68	2
69	2
70	3
71	41
72	2
73	2
74	5
75	3
76	2
77	2
78	3
79	3
80	2
81	2
82	3
83	47
84	2
85	2
86	43
87	3
88	2
89	2
90	3
91	3
92	2
93	2
94	3
95	5
96	2
97	2
98	7
99	3
100	2

n	a(n)
1	2
2	13
3	3
4	2
5	2
6	3
7	3
8	2
9	2
10	3
11	11
12	2
13	2
14	5
15	3
16	2
17	2
18	3
19	3
20	2
21	2
22	3
23	17
24	2
25	2
26	13
27	3
28	2
29	2
30	3
31	3
32	2
33	2
34	3
35	5
36	2
37	2
38	7
39	3
40	2
41	2
42	3
43	3
44	2
45	2
46	3
47	29
48	2
49	2
50	5
51	3
52	2
53	2
54	3
55	3
56	2
57	2
58	3
59	5
60	2
61	2
62	31
63	3
64	2
65	2
66	3
67	3
68	2
69	2
70	3
71	41
72	2
73	2
74	5
75	3
76	2
77	2
78	3
79	3
80	2
81	2
82	3
83	47
84	2
85	2
86	43
87	3
88	2
89	2
90	3
91	3
92	2
93	2
94	3
95	5
96	2
97	2
98	7
99	3
100	2

n	a(n)
1	2
2	13
3	3
4	2
5	2
6	3
7	3
8	2
9	2
10	3
11	11
12	2
13	2
14	5
15	3
16	2
17	2
18	3
19	3
20	2
21	2
22	3
23	17
24	2
25	2
26	13
27	3
28	2
29	2
30	3
31	3
32	2
33	2
34	3
35	5
36	2
37	2
38	7
39	3
40	2
41	2
42	3
43	3
44	2
45	2
46	3
47	29
48	2
49	2
50	5
51	3
52	2
53	2
54	3
55	3
56	2
57	2
58	3
59	5
60	2
61	2
62	31
63	3
64	2
65	2
66	3
67	3
68	2
69	2
70	3
71	41
72	2
73	2
74	5
75	3
76	2
77	2
78	3
79	3
80	2
81	2
82	3
83	47
84	2
85	2
86	43
87	3
88	2
89	2
90	3
91	3
92	2
93	2
94	3
95	5
96	2
97	2
98	7
99	3
100	2