A277239 - cp's OEIS frontend

A277239 Number A(n,k) of factorizations of m^n into exactly k factors, where m is a product of two distinct primes; square array A(n,k), n>=0, k>=0, read by antidiagonals.

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	2
12	5
13	1
14	0
15	1
16	2
17	8
18	8
19	1
20	0
21	1
22	2
23	9
24	19
25	13
26	1
27	0
28	1
29	2
30	9
31	27
32	42
33	18
34	1
35	0
36	1
37	2
38	9
39	30
40	74
41	78
42	25
43	1
44	0
45	1
46	2
47	9
48	31
49	95
50	168
51	139
52	32
53	1
54	0
55	1
56	2
57	9
58	31
59	105
60	248
61	363
62	224
63	41
64	1
65	0
66	1
67	2
68	9
69	31
70	108
71	300
72	614
73	703
74	350
75	50
76	1
77	0

[1, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 2, 5, 1, 0, 1, 2, 8, 8, 1, 0, 1, 2, 9, 19, 13, 1, 0, 1, 2, 9, 27, 42, 18, 1, 0, 1, 2, 9, 30, 74, 78, 25, 1, 0, 1, 2, 9, 31, 95, 168, 139, 32, 1, 0, 1, 2, 9, 31, 105, 248, 363, 224, 41, 1, 0, 1, 2, 9, 31, 108, 300, 614, 703, 350, 50, 1, 0]

cp's OEIS Frontend

A277239 Number A(n,k) of factorizations of m^n into exactly k factors, where m is a product of two distinct primes; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	2
12	5
13	1
14	0
15	1
16	2
17	8
18	8
19	1
20	0
21	1
22	2
23	9
24	19
25	13
26	1
27	0
28	1
29	2
30	9
31	27
32	42
33	18
34	1
35	0
36	1
37	2
38	9
39	30
40	74
41	78
42	25
43	1
44	0
45	1
46	2
47	9
48	31
49	95
50	168
51	139
52	32
53	1
54	0
55	1
56	2
57	9
58	31
59	105
60	248
61	363
62	224
63	41
64	1
65	0
66	1
67	2
68	9
69	31
70	108
71	300
72	614
73	703
74	350
75	50
76	1
77	0

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	2
12	5
13	1
14	0
15	1
16	2
17	8
18	8
19	1
20	0
21	1
22	2
23	9
24	19
25	13
26	1
27	0
28	1
29	2
30	9
31	27
32	42
33	18
34	1
35	0
36	1
37	2
38	9
39	30
40	74
41	78
42	25
43	1
44	0
45	1
46	2
47	9
48	31
49	95
50	168
51	139
52	32
53	1
54	0
55	1
56	2
57	9
58	31
59	105
60	248
61	363
62	224
63	41
64	1
65	0
66	1
67	2
68	9
69	31
70	108
71	300
72	614
73	703
74	350
75	50
76	1
77	0

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	2
12	5
13	1
14	0
15	1
16	2
17	8
18	8
19	1
20	0
21	1
22	2
23	9
24	19
25	13
26	1
27	0
28	1
29	2
30	9
31	27
32	42
33	18
34	1
35	0
36	1
37	2
38	9
39	30
40	74
41	78
42	25
43	1
44	0
45	1
46	2
47	9
48	31
49	95
50	168
51	139
52	32
53	1
54	0
55	1
56	2
57	9
58	31
59	105
60	248
61	363
62	224
63	41
64	1
65	0
66	1
67	2
68	9
69	31
70	108
71	300
72	614
73	703
74	350
75	50
76	1
77	0