A302721 - cp's OEIS frontend

A302721 Square array T(n, k) read by antidiagonals upwards, n > 0 and k > 0: T(n, k) is the distance from n to the nearest prime(k)-smooth number (where prime(k) denotes the k-th prime number).

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

[0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 1, 0, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A302721 Square array T(n, k) read by antidiagonals upwards, n > 0 and k > 0: T(n, k) is the distance from n to the nearest prime(k)-smooth number (where prime(k) denotes the k-th prime number).

Table of values

List of values

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

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

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