A324369 - cp's OEIS frontend

A324369 Product of all primes p dividing n such that the sum of the base p digits of n is at least p, or 1 if no such prime.

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

[1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 3, 1, 1, 2, 1, 2, 3, 2, 1, 6, 1, 2, 1, 2, 1, 2, 1, 1, 3, 2, 1, 2, 1, 2, 3, 2, 1, 6, 1, 2, 15, 2, 1, 6, 1, 2, 3, 2, 1, 2, 1, 2, 3, 2, 1, 6, 1, 2, 3, 1, 5, 6, 1, 2, 3, 10, 1, 6, 1, 2, 3, 2, 1, 6, 1, 2, 1, 2, 1, 2, 5, 2, 3, 2, 1, 10, 7, 2, 3, 2, 5, 6, 1]

cp's OEIS Frontend

A324369 Product of all primes p dividing n such that the sum of the base p digits of n is at least p, or 1 if no such prime.

Table of values

List of values

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

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

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