A352001 - cp's OEIS frontend

A352001 Square array A(n, k), n, k >= 1, read by antidiagonals upwards; A(n, k) = Product_{ i >= 1 } prime(k*i)^e_i where n = Product_{ i >= 1 } prime(i)^e_i (where prime(i) denotes the i-th prime number).

n	a(n)
1	1
2	2
3	1
4	3
5	3
6	1
7	4
8	7
9	5
10	1
11	5
12	9
13	13
14	7
15	1
16	6
17	13
18	25
19	19
20	11
21	1
22	7
23	21
24	23
25	49
26	29
27	13
28	1
29	8
30	19
31	65
32	37
33	121
34	37
35	17
36	1
37	9
38	27
39	37
40	133
41	47
42	169
43	43
44	19
45	1
46	10
47	49
48	125
49	53
50	319
51	61
52	289
53	53
54	23
55	1
56	11
57	39
58	169
59	343
60	71
61	481
62	73
63	361
64	61
65	29
66	1

[1, 2, 1, 3, 3, 1, 4, 7, 5, 1, 5, 9, 13, 7, 1, 6, 13, 25, 19, 11, 1, 7, 21, 23, 49, 29, 13, 1, 8, 19, 65, 37, 121, 37, 17, 1, 9, 27, 37, 133, 47, 169, 43, 19, 1, 10, 49, 125, 53, 319, 61, 289, 53, 23, 1, 11, 39, 169, 343, 71, 481, 73, 361, 61, 29, 1]

cp's OEIS Frontend

A352001 Square array A(n, k), n, k >= 1, read by antidiagonals upwards; A(n, k) = Product_{ i >= 1 } prime(k*i)^e_i where n = Product_{ i >= 1 } prime(i)^e_i (where prime(i) denotes the i-th prime number).

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	3
5	3
6	1
7	4
8	7
9	5
10	1
11	5
12	9
13	13
14	7
15	1
16	6
17	13
18	25
19	19
20	11
21	1
22	7
23	21
24	23
25	49
26	29
27	13
28	1
29	8
30	19
31	65
32	37
33	121
34	37
35	17
36	1
37	9
38	27
39	37
40	133
41	47
42	169
43	43
44	19
45	1
46	10
47	49
48	125
49	53
50	319
51	61
52	289
53	53
54	23
55	1
56	11
57	39
58	169
59	343
60	71
61	481
62	73
63	361
64	61
65	29
66	1

n	a(n)
1	1
2	2
3	1
4	3
5	3
6	1
7	4
8	7
9	5
10	1
11	5
12	9
13	13
14	7
15	1
16	6
17	13
18	25
19	19
20	11
21	1
22	7
23	21
24	23
25	49
26	29
27	13
28	1
29	8
30	19
31	65
32	37
33	121
34	37
35	17
36	1
37	9
38	27
39	37
40	133
41	47
42	169
43	43
44	19
45	1
46	10
47	49
48	125
49	53
50	319
51	61
52	289
53	53
54	23
55	1
56	11
57	39
58	169
59	343
60	71
61	481
62	73
63	361
64	61
65	29
66	1

n	a(n)
1	1
2	2
3	1
4	3
5	3
6	1
7	4
8	7
9	5
10	1
11	5
12	9
13	13
14	7
15	1
16	6
17	13
18	25
19	19
20	11
21	1
22	7
23	21
24	23
25	49
26	29
27	13
28	1
29	8
30	19
31	65
32	37
33	121
34	37
35	17
36	1
37	9
38	27
39	37
40	133
41	47
42	169
43	43
44	19
45	1
46	10
47	49
48	125
49	53
50	319
51	61
52	289
53	53
54	23
55	1
56	11
57	39
58	169
59	343
60	71
61	481
62	73
63	361
64	61
65	29
66	1