A077558 - cp's OEIS frontend

A077558 Triangle in which the n-th row contains n numbers beginning with n that have the same prime signature as n.

n	a(n)
1	1
2	2
3	3
4	3
5	5
6	7
7	4
8	9
9	25
10	49
11	5
12	7
13	11
14	13
15	17
16	6
17	10
18	14
19	15
20	21
21	22
22	7
23	11
24	13
25	17
26	19
27	23
28	29
29	8
30	27
31	125
32	343
33	1331
34	2197
35	4913
36	6859
37	9
38	25
39	49
40	121
41	169
42	289
43	361
44	529
45	841
46	10
47	14
48	15
49	21
50	22
51	26
52	33
53	34
54	35
55	38
56	11
57	13
58	17
59	19
60	23
61	29
62	31
63	37
64	41
65	43
66	47
67	12
68	18
69	20

[1, 2, 3, 3, 5, 7, 4, 9, 25, 49, 5, 7, 11, 13, 17, 6, 10, 14, 15, 21, 22, 7, 11, 13, 17, 19, 23, 29, 8, 27, 125, 343, 1331, 2197, 4913, 6859, 9, 25, 49, 121, 169, 289, 361, 529, 841, 10, 14, 15, 21, 22, 26, 33, 34, 35, 38, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 12, 18, 20]

cp's OEIS Frontend

A077558 Triangle in which the n-th row contains n numbers beginning with n that have the same prime signature as n.

Table of values

List of values